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FairEmail/docs/FAQ-it-rIT.md

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Supporto FairEmail

Se hai una domanda, controlla prima le domande frequenti qui sotto. In fondo puoi trovare come porre altre domande, richiedere funzionalità e segnalare errori.

Indice

Autorizzare account

Nella maggior parte dei casi, la configurazione rapida sarà in grado di identificare automaticamente la configurazione giusta.

Se la configurazione rapida fallisce, dovrai configurare manualmente un account (per ricevere email) e un'identità (per inviare email). Per farlo avrai bisogno degli indirizzi dei server IMAP e SMTP e dei numeri delle porte, di sapere se SSL/TLS o STARTTLS devono essere usati e conoscere il tuo nome utente (solitamente, ma non sempre, il tuo indirizzo email) e la password.

Cercare IMAP e il nome del fornitore di solito è sufficiente per trovare la documentazione giusta.

In alcuni casi, dovrai abilitare l'accesso esterno al tuo account e/o utilizzare una password speciale (app), per esempio quando l'autenticazione a due fattori è attiva.

Per autorizzare:

Si prega di vedere qui per messaggi di errore e soluzioni comuni.

Domande correlate:

Come fare per ...?

Problemi noti

  • Un errore in Android 5.1 e 6 causa la visualizzazione di un formato sbagliato delle ore. Attivando/disattivando l'impostazione di Android Usa il formato 24 ore potrebbe risolvere temporaneamente il problema. È stato aggiunto un espediente.
  • Un errore in Google Drive fa sì che i file esportati su Google Drive siano vuoti. Google lo ha corretto.
  • Un errore in AndroidX provoca un crash occasionale di FairEmail durante la pressione a lungo o lo scorrimento. Google lo ha corretto.
  • Un errore in AndroidX ROOM causa a volte un crash con "... Eccezione durante il calcolo dei dati live del database ... Impossibile leggere la riga ...". È stato aggiunto un espediente.
  • Un errore in Android causa un crash di FairEmail con "... Notifica errata postata ..." su alcuni dispositivi dopo l'aggiornamento di FairEmail e toccando su una notifica.
  • Un errore in Android a volte provoca un crash con "... ActivityRecord non trovato per ..." dopo l'aggiornamento FairEmail. La reinstallazione (source) potrebbe risolvere il problema.
  • Un errore in Android a volte provoca un crash con ... InputChannel non è inizializzato ... su alcuni dispositivi.
  • Un errore in LineageOS a volte provoca un crash con ... java.lang.ArrayIndexOutOfBoundsException: length=...; index=... ....
  • Un errore in Nova Launcher su Android 5.x causa il crash di FairEmail con un java.lang.StackOverflowError quando Nova Launcher ha accesso al servizio di accessibilità.
  • Il selettore di cartelle a volte non mostra cartelle per motivi ancora sconosciuti. Sembra essere risolto.
  • Un errore in AndroidX rende difficile toccare lo scroller rapido. È stato aggiunto un espediente.
  • La crittografia con YubiKey risulta in un ciclo infinito. Ciò sembra essere causato da un errore in OpenKeychain.
  • Lo scorrimento verso una posizione collegata internamente nei messaggi originali non funziona. Ciò non può essere risolto perché la vista originale dei messaggi è contenuta in una vista a scorrimento.
  • Un'anteprima di un testo di un messaggio non (sempre) appare negli orologi Samsung perché setLocalOnly sembra venga ignorato. I testi di anteprima del messaggio sono noti per essere visualizzati correttamente sugli indossabili Pebble 2, Fitbit Charge 3, Mi band 3 e Xiaomi Amazfit BIP. Vedi anche queste domande frequenti.
  • Un errore in Android a volte provoca un crash con *... Spostamento non valido: ... L'intervallo valido è ... quando il testo è selezionato e tocca all'esterno del testo selezionato. Questo bug è stato risolto in Android 6.0.1.
  • I collegamenti interni (ancoraggi) non funzioneranno perché i messaggi originali sono mostrati in una WebView incorporata in una vista a scorrimento (l'elenco delle conversazioni). Questa è una limitazione di Android che non può essere fissata o lavorata.
  • Il rilevamento della lingua non funziona più su dispositivi Pixel con (aggiornato a?) Android 11

Funzionalità pianificate

  • Sicronizzazione su richiesta (manuale)
  • Cifratura semi-automatica
  • Copia messaggio
  • Stelle colorate
  • Impostazioni di notifica per cartella
  • Selezione immagini locali per le firme (non verrà aggiunto perchè richiede la gestione dei file e quasi tutti i client email non mostrano le immagini per impostazione predefinita)
  • Mostra messaggi che soddisfano un criterio
  • ManageSieve (non ci sono librerie Java mantenute con licenza adeguata e senza dipendenze, inoltre FairEmail ha le proprie regole di filtraggio)
  • Cerca messaggi con/senza allegati (non può essere implementata perchè IMAP non supporta la ricerca degli allegati)
  • Cerca una cartella (il filtro su cartelle gerarchiche è problematico)
  • Suggerimenti di ricerca
  • Messaggio di configurazione Autocrypt (section 4.4) (Secondo me non è una buona idea permette ad un client di posta elettronica di gestire le chiavi di crittografia solo per casi d'uso rari se OpenKeychain può esportare anche le chiavi)
  • Cartelle unificate generiche
  • Programmazione notifiche nuovo messaggio per account (implementato aggiungendo regole di orario in modo che i messaggi possano essere silenziati durante periodi scelti)
  • Copiare account e identità
  • Zoom con selezione (non è possibile in modo affidabile in una lista scorrevole; si può invece ingrandire l'intero messaggio)
  • Visualizzazione delle cartelle più compatta
  • Creare liste e tabelle (richiede un rich text editor, vedi questa FAQ)
  • Pizzica ingrandimento della dimensione del testo
  • Mostra GIF
  • Temi (un tema grigio chiaro e scuro è stato aggiunto perché questo è ciò che gran parte delle persone sembrano di volere)
  • Ogni condizione dell'ora del giorno (ogni giorno non si adatta davvero nella condizione da/alla data/orario)
  • Invia come allegato
  • Widget per il profilo selezionato
  • Ricorda di allegare i file
  • Seleziona i domini per cui mostrare le immagini (questo sarà troppo complicato da usare)
  • Visualizzazione messaggi preferiti unificati (c'è già una ricerca speciale per questo)
  • Sposta azione di notifica
  • Supporto S/MIME
  • Cerca impostazioni

Qualsiasi cosa su questa lista è in ordine casuale e potrebbe essere aggiunto nel vicino futuro.

Funzionalità richieste di frequente

Il design è basato su molte discussioni e se vuoi puoi discuterne anche tu in questo forum. L'obiettivo del design è quello di essere minimalista (senza menu inutili, pulsanti, ecc.) e di non distrarre (senza colori fantasiosi, animazioni, ecc). Tutte le cose visualizzate devono essere utili in un modo o nell'altro e devono essere posizionate con attenzione per un facile utilizzo. Caratteri, dimensioni, colori, ecc devono essere in material design quando possibile.

Domande frequenti

Ho un'altra domanda.

(1) Quali permessi sono necessari e perché?

I permessi di Android seguenti sono necessari:

  • avere accesso completo alla rete (INTERNET): per inviare e ricevere le email
  • visualizza le connessioni di rete (ACCESS_NETWORK_STATE): per monitorare le modifiche alla connettività di internet
  • esegui all'avvio (RECEIVE_BOOT_COMPLETED): per avviare il monitoraggio all'avvio del dispositivo
  • servizio in primo piano (FOREGROUND_SERVICE): per eseguire un servizio in primo piano su Android 9 Pie e successive, vedi anche la prossima domanda
  • prevenire che il dispositivo vada in riposo (WAKE_LOCK): per mantenere attivo il dispositivo durante la sincronizzazione dei messaggi
  • fatturazione in-app (BILLING): per consentire gli acquisti in-app
  • Opzionale: leggi i tuoi contatti (READ_CONTACTS): per completare automaticamente gli indirizzi e mostrare le foto
  • Opzionale: leggere i contenuti della tua scheda SD (READ_EXTERNAL_STORAGE): per accettare i file da altre app obsolete, vedi anche questa FAQ
  • Opzionale: usa l'hardware delle impronte digitali (USE_FINGERPRINT) e usa l'hardware biometrico (USE_BIOMETRIC): per usare l'autenticazione biometrica
  • Opzionale: trova profili sul dispositivo (GET_ACCOUNTS): per selezionare un profilo quando si utilizza la configurazione rapida di Gmail
  • Android 5.1 e precedenti: usa profili sul dispositivo (USE_CREDENTIALS): per selezionare un profilo quando usi la configurazione rapida di Gmail (non necessario sulle versioni di Android successive)
  • Android 5.1 Lollipop e precedenti: Leggi profilo (READ_PROFILE): per leggere il tuo nome quando usi la configurazione rapida di Gmail (non necessario sulle versioni di Android successive)

I permessi opzionali sono supportati solo su Android 6 Marshmallow e successive. Sulle versioni precedenti di Android ti sarà chiesto di garantire i permessi opzionali per l'installazione di FairEmail.

I permessi seguenti sono necessari per mostrare il conteggio dei messaggi non letti come un distintivo (vedi anche questa FAQ):

  • com.sec.android.provider.badge.permission.READ
  • com.sec.android.provider.badge.permission.WRITE
  • com.htc.launcher.permission.READ_SETTINGS
  • com.htc.launcher.permission.UPDATE_SHORTCUT
  • com.sonyericsson.home.permission.BROADCAST_BADGE
  • com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
  • com.anddoes.launcher.permission.UPDATE_COUNT
  • com.majeur.launcher.permission.UPDATE_BADGE
  • com.huawei.android.launcher.permission.CHANGE_BADGE
  • com.huawei.android.launcher.permission.READ_SETTINGS
  • com.huawei.android.launcher.permission.WRITE_SETTINGS
  • android.permission.READ_APP_BADGE
  • com.oppo.launcher.permission.READ_SETTINGS
  • com.oppo.launcher.permission.WRITE_SETTINGS
  • me.everything.badger.permission.BADGE_COUNT_READ
  • me.everything.badger.permission.BADGE_COUNT_WRITE

FairEmail manterrà un elenco di indirizzi da cui ricevi e invii messaggi e userà questa lista per i suggerimenti di contatto quando non viene concesso alcun permesso di contatti a FairEmail. Ciò significa che puoi usare FairEmail senza il fornitore di contatti di Android (rubrica indirizzi). Nota che puoi ancora selezionare i contatti senza concedere i permessi dei contatti a FairEmail, solo suggerendo contatti non funzionerà senza i permessi dei contatti.


(2) Perché è mostrata una notifica permanente?

Una notifica della barra dello stato permanente a bassa priorità con il numero di profili monitorati e il numero di operazioni in attesa (vedi prossima domanda) è mostrata per prevenire che Android termini il servizio che si occupa della ricezione continua delle email. Questo era già necessario, ma con l'introduzione della doze mode in Android 6 Marshmallow questo è necessario più che mai. La modalità Doze interromperà tutte le app quando lo schermo è spento per un po' di tempo, a meno che l'app non abbia avviato un servizio in primo piano, che richiede la visualizzazione di una notifica della barra di stato.

La maggior parte, se non tutte, le altre app d'email non mostrano una notifica, con "effetto collaterale" che i nuovi messaggi sono spesso non segnalati o segnalati tardi e che i messaggi non sono inviati o inviati tardi.

Android mostra prima le icone delle notifiche della barra di stato di alta priorità e nasconderà l'icona della notifica di FairEmail se non c'è più spazio per mostrare le icone. In pratica ciò significa che la notifica della barra di stato non prende spazio nella barra di stato, a meno che non ci sia spazio disponibile.

La notifica della barra di stato può essere disabilitata tramite le impostazioni di notifica di FairEmail:

  • Android 8 Oreo e successive: tocca il pulsante Ricevi canale e disabilita il canale tramite le impostazioni di Android (questo non disabiliterà le notifiche dei messaggi)
  • Android 7 Nougat e precedenti: abilitato l'Uso del servizio in background per sincronizzare i messaggi, ma assicurati di leggere l'osservazione sotto l'impostazione

Puoi passare alla sincronizzazione dei messaggi periodicamente nelle impostazioni di ricezione per rimuovere la notifica, ma sii consapevole che ciò potrebbe usare maggiore energia della batteria. Vedi qui per ulteriori dettagli sull'uso della batteria.

Android 8 Oreo potrebbe anche mostrare una notifica della barra di stato con il testo Le app sono in esecuzione in background. Sei pregato di vedere qui su come puoi disabilitare questa notifica.

Alcune persone hanno suggerito di usare Firebase Cloud Messaging (FCM) invece di un servizio Android con una notifica della barra dello stato, ma questo richiederebbe ai fornitori dell'email di inviare messaggi FCM ad o ad un server centrale dove sono raccolti tutti i messaggi di inviare messaggi FCM. La prima non si verificherà è l'ultima avrà significative implicazioni sulla privacy.

Se sei venuto/a qui cliccando sulla notifica, dovresti sapere che il prossimo clic aprirà la casella di posta unificata.


(3) Cosa sono le operazioni e perché sono in sospeso?

La notifica della barra dello stato a bassa priorità mostra il numero di operazioni in sospeso, che possono essere:

  • add: aggiungi messaggio alla cartella remota
  • move: sposta messaggio ad un'altra cartella remota
  • copy: copia messaggio in un'altra cartella remota
  • fetch: preleva il messaggio modificato (spinto)
  • delete: elimina il messaggio dalla cartella remota
  • seen: contrassegna il messaggio come letto/non letto nella cartella remota
  • answered: contrassegna il messaggio come risposto nella cartella remota
  • flag: aggiunge/rimuove la stella nella cartella remota
  • keyword: aggiunge/rimuove il flag IMAP nella cartella remota
  • label: imposta/ripristina l'etichetta di Gmail nella cartella remota
  • headers: scarica le intestazioni dei messaggi
  • raw: scarica il messaggio grezzo
  • body: scarica il testo del messaggio
  • attachment: scarica l'allegato
  • sync: sincronizza i messaggi locali e remoti
  • subscribe: si iscrive alla cartella remota
  • purge: elimina tutti i messaggi dalla cartella remota
  • send: invia messaggio
  • exists: controlla se il messaggio esiste
  • rule: esegui regola sul corpo del testo

Le operazioni sono elaborate solo quando esiste una connessione al server email o quando sincronizza manualmente. Vedi anche questa FAQ.


(4) Come posso usare un certificato di sicurezza non / password vuota / connessione di testo semplice?

... Non affidabile ... non nel certificato ...
... Certificato di sicurezza non valido (Impossibile verificare l'identità del server) ...

Dovresti provare a risolvere ciò contattando il tuo fornitore o ottenendo un certificato di sicurezza valido perché i certificati di sicurezza non validi non sono sicuri e consente gli attacchi man-in-the-middle. Se il denaro è un ostacolo, puoi ottenere dei certificati di sicurezza gratuiti da Let's Encrypt.

In alternativa, puoi accettare la fingerprint dei certificati server non validi in questo modo:

  1. Assicurati di star usando una connessione internet affidabile (nessuna rete Wi-Fi pubblica, etc)
  2. Vai alla schermata di configurazione tramite il menu di navigazione (scorri verso l'interno dal lato sinistro)
  3. Nella fase 1 e 2 tocca Gestisci e tocca il profilo e l'identità difettosi
  4. Seleziona/salva il profilo e l'identità
  5. Seleziona la casella sotto al messaggio di errore e salva di nuovo

Questo "fisserà" il certificato del server per prevenire attacchi dell'uomo di mezzo.

Nota che le versioni più vecchie di Android potrebbero non riconoscere le autorità di certificazione più nuove come Let's Encrypt causando alle connessioni di essere considerate non sicure, vedi anche qui.

Ancoraggio di fiducia per il percorso di certificazione non trovato

... java.security.cert.CertPathValidatorException: Ancoraggio di fiducia per il percorso di certificazione non trovato ... significa che il gestore di fiducia di Android predefinito non è stato capace di verificare la catena di certificati del server.

Dovresti correggere la configurazione del server o accettare l'impronta digitale mostrata sotto al messaggio di errore.

Nota che questo problema può essere anche causato dal mancato invio dal server di tutti i certificati intermedi.

Password vuota

Il tuo nome utente è probabilmente facile da indovinare, quindi non è sicuro.

Connessione del testo semplice

Il tuo nome utente e la password e tutti i messaggi saranno inviati e ricevuti non crittografati, il che è molto insicuro perché unattacco man-in-the-middle è molto semplice su una connessione non crittografata.

Se vuoi ancora usare un certificato di sicurezza non valido, una password vuota o una connessione di testo semplice, dovrai abilitare le connessioni non sicure nelle impostazioni del profilo e/o identità. STARTTLS dovrebbe essere selezionato per le connessioni in testo semplice. Se abiliti le connessioni non sicure, dovresti connetterti tramite reti affidabili e private soltanto e mai tramite reti pubbliche, come quelle offerte negli hotel, aeroporti, etc.


(5) Come posso personalizzare la visualizzazione dei messaggi?

Nel menu di trabocco a tre puntini puoi abilitare o disabilitare o selezionare:

  • dimensione del testo: per tre differenti dimensioni del font
  • vista compatta: per altri elementi di messaggio compressi e un font di testo del messaggio più piccolo

Nella sezione di visualizzazione delle impostazioni puoi attivare o disattivare ad esempio:

  • Casella unificata: per disabilitare la casella della posta in arrivo unificata ed elencare le cartelle selezionate invece per la casella di posta in arrivo unificata
  • Stile tabulare: per mostrare un elenco lineare invece delle schede
  • Group by date: show date header above messages with the same date
  • Filettatura di conversazione: per disabilitare la filettatura della conversazione e mostrare messaggi singoli piuttosto
  • Barra d'azione della conversazione: per disabilitare la barra di navigazione in basso
  • Evidenzia colore: per selezionare un colore per il mittente dei messaggi non letti
  • Mostra foto di contatto: per nascondere le foto di contatto
  • Show names and email addresses: to show names or to show names and email addresses
  • Mostra oggetto corsivo: per mostrare l'oggetto del messaggio come testo normale
  • Show stars: to hide stars (favorites)
  • Show message preview: to show 1-4 lines of the message text
  • Mostra dettagli dell'indirizzo di default: per espandere la sezione degli indirizzi di default
  • Mostra automaticamente il messaggio originale per i contatti noti: per mostrare automaticamente i messaggi originali per i contatti sul tuo dispositivo, sei pregato di leggere questa FAQ
  • Mostra automaticamente le immagini per i contatti noti: per mostrare automaticamente le immagini per i contatti sul tuo dispositivo, sei pregato di leggere questa FAQ

Nota che i messaggi sono visibili in anteprima solo quando il testo del messaggio è stato scaricato. I testi del messaggio più grandi non sono scaricati di default su reti misurate (generalmente mobili). Puoi modificare questa cosa nelle impostazioni di connessione.

Alcune persone chiedono:

  • di mostrare il soggetto in grassetto, ma il grassetto è già usato per evidenziare i messaggi non letti
  • di spostare la stella a sinistra, ma è molto più facile azionarla sul lato destro

(6) Come posso accedere a Gmail / G suite?

Puoi usare la procedura guidata rapida per configurare facilmente un profilo e un'identità Gmail.

Se non vuoi usare un profilo sul dispositivo di Gmail, puoi abilitare l'accesso per le "app meno sicure" e usare la password del tuo profilo (sconsigliato) o abilitare l'autenticazione a due fattori e usare una password specifica dell'app. Per usare una password dovrai configurare un profilo e identità tramite i passaggi 1 e 2 della configurazione invece che tramite la procedura guidata rapida.

Sei pregato di vedere questa FAQ sul perché sono utilizzabili i profili su dispositivo.

Nota che una password specifica dell'app è necessario quando l'autenticazione a due fattori è abilitata.


Password specifica dell'app

Vedi qui come generare una password specifica dell'app.


Abilita "App meno sicure"

Importante: usare questo metodo è sconsigliato perché meno affidabile.

Importante: I profili Gsuite autorizzati con un nome utente/password smetteranno di funzionare nel futuro prossimo.

Vedi qui su come abilitare le "app meno sicure" o vai direttamente all'impostazione.

Se usi profili Gmail multipli, assicurati di modificare l'impostazione delle "app meno sicure" dei profili corretti.

Sappi che devi lasciare la schermata delle impostazioni delle "app meno sicure" usando la freccia indietro per applicarle.

Se usi questo metodo, dovresti usare una password forte per il tuo profilo Gmail, il che è comunque una buona idea. Nota che usare il protocollo IMAP standard non è di per sé meno sicuro.

Quando "app meno sicure" non è abilitato, otterrai l'errore Autenticazione fallita - credenziali non valide per i profili (IMAP) e Nome utente e Password non accettate per le identità (SMTP).


Generale

You might get the alert "Please log in via your web browser". Questo si verifica quando Google considera la rete che ti connette a internet (potrebbe essere un VPN) come insicura. Questo si può prevenire usando la procedura guidata rapida di Gmail su una password specifica dell'app.

See here for Google's instructions and here for troubleshooting.


(7) Why are sent messages not appearing (directly) in the sent folder?

Sent messages are normally moved from the outbox to the sent folder as soon as your provider adds sent messages to the sent folder. This requires a sent folder to be selected in the account settings and the sent folder to be set to synchronizing.

Some providers do not keep track of sent messages or the used SMTP server might not be related to the provider. In these cases FairEmail, will automatically add sent messages to the sent folder on synchronizing the sent folder, which will happen after a message have been sent. Note that this will result in extra internet traffic.

If this doesn't happen, your provider might not keep track of sent messages or you might be using an SMTP server not related to the provider. In these cases you can enable the advanced identity setting Store sent messages to let FairEmail add sent messages to the sent folder right after sending a message. Note that enabling this setting might result in duplicate messages if your provider adds sent messages to the sent folder too. Also beware that enabling this setting will result in extra data usage, especially when when sending messages with large attachments.

If sent messages in the outbox are not found in the sent folder on a full synchronize, they will be moved from the outbox to the sent folder too. A full synchronize happens when reconnecting to the server or when synchronizing periodically or manually. You'll likely want to enable the advanced setting Store sent messages instead to move messages to the sent folder sooner.


(8) Can I use a Microsoft Exchange account?

You can use a Microsoft Exchange account if it is accessible via IMAP, which is mostly the case. See here for more information.

Please see here for the Microsoft documentation about configuring an email client. There is also a section about common connection errors and solutions.

Some older Exchange server versions have a bug causing empty message and corrupt attachments. Please see this FAQ for a workaround.

Please see this FAQ about ActiveSync support.

Please see this FAQ about OAuth support.


(9) What are identities / how do I add an alias?

Identities represent email addresses you are sending from via an email (SMTP) server.

Some providers allow you to have multiple aliases. You can configure these by setting the email address field of an additional identity to the alias address and setting the user name field to your main email address.

Note that you can copy an identity by long pressing it.

Alternatively, you can enable Allow editing sender address in the advanced settings of an existing identity to edit the username when composing a new message, if your provider allows this.

FairEmail will automatically update the passwords of related identities when you update the password of the associated account or a related identity.

See this FAQ on editing the username of email addresses.


(10) What does 'UIDPLUS not supported' mean?

The error message UIDPLUS not supported means that your email provider does not provide the IMAP UIDPLUS extension. This IMAP extension is required to implement two way synchronization, which is not an optional feature. So, unless your provider can enable this extension, you cannot use FairEmail for this provider.


(11) Why is POP not supported?

Besides that any decent email provider supports IMAP these days, using POP will result in unnecessary extra battery usage and delayed new message notifications. Moreover, POP is unsuitable for two way synchronization and more often than not people read and write messages on different devices these days.

Basically, POP supports only downloading and deleting messages from the inbox. So, common operations like setting message attributes (read, starred, answered, etc), adding (backing up) and moving messages is not possible.

See also what Google writes about it.

For example Gmail can import messages from another POP account, which can be used as a workaround for when your provider doesn't support IMAP.

tl;dr; consider to switch to IMAP.


(12) How does encryption/decryption work?

Communication with email servers is always encrypted, unless you explicitly turned this off. This question is about optional end-to-end encryption with PGP or S/MIME. The sender and recipient should first agree on this and exchange signed messages to transfer their public key to be able to send encrypted messages.

Generale

Please see here about how public/private key encryption works.

Encryption in short:

  • I messaggi in uscita sono crittografati con la chiave pubblica del destinatario
  • I messaggi in arrivo sono decrittografati con la chiave privata del destinatario

Signing in short:

  • Outgoing messages are signed with the private key of the sender
  • Incoming messages are verified with the public key of the sender

To sign/encrypt a message, just select the appropriate method in the send dialog. You can always open the send dialog using the three-dots overflow menu in case you selected Don't show again before.

To verify a signature or to decrypt a received message, open the message and just tap the gesture or padlock icon just below the message action bar.

The first time you send a signed/encrypted message you might be asked for a sign key. FairEmail will automatically store the selected sign key in the used identity for the next time. If you need to reset the sign key, just save the identity or long press the identity in the list of identities and select Reset sign key. The selected sign key is visible in the list of identities. If need to select a key on a case by case basis, you can create multiple identities for the same account with the same email address.

In the privacy settings you can select the default encryption method (PGP or S/MIME), enable Sign by default, Encrypt by default and Automatically decrypt messages, but be aware that automatic decryption is not possible if user interaction is required, like selecting a key or reading a security token.

The to be encrypted message text/attachments and the decrypted message text/attachments are stored locally only and will never be added to the remote server. If you want to undo decryption, you can use the resync menu item in the three-dots menu of the message action bar.

PGP

You'll need to install and configure OpenKeychain first. FairEmail was tested with OpenKeychain version 5.4. Later versions will most likely be compatible, but earlier versions might not be.

Important: the OpenKeychain app is known to (silently) crash when the calling app (FairEmail) is not authorized yet and is getting an existing public key. You can workaround this by trying to send a signed/encrypted message to a sender with an unknown public key.

Important: if the OpenKeychain app cannot find a key (anymore), you might need to reset a previously selected key. This can be done by long pressing an identity in the list of identities (Setup, step 2, Manage).

Important: to let apps like FairEmail reliably connect to the OpenKeychain service to encrypt/decrypt messages, it might be necessary to disable battery optimizations for the OpenKeychain app.

Important: the OpenKeychain app reportedly needs contacts permission to work correctly.

Important: on some Android versions / devices it is necessary to enable Show popups while running in background in the additional permissions of the Android app settings of the OpenKeychain app. Without this permission the draft will be saved, but the OpenKeychain popup to confirm/select might not appear.

FairEmail will send the Autocrypt header for use by other email clients, but only for signed and encrypted messages because too many email servers have problems with the often long Autocrypt header. Note that the most secure way to start an encrypted email exchange is by sending signed messages first. Received Autocrypt headers will be sent to the OpenKeychain app for storage on verifying a signature or decrypting a message.

All key handling is delegated to the OpenKey chain app for security reasons. This also means that FairEmail does not store PGP keys.

Inline encrypted PGP in received messages is supported, but inline PGP signatures and inline PGP in outgoing messages is not supported, see here about why not.

Signed-only or encrypted-only messages are not a good idea, please see here about why not:

Signed-only messages are supported, encrypted-only messages are not supported.

Common errors:

  • Nessuna chiave: non c'è nessuna chiave PGP disponibile per uno degli indirizzi e-mail elencati
  • Chiave mancante per la crittografia: c'è probabilmente una chiave selezionata in FairEmail che non esiste più nell'applicazione OpenKeychain. Resettare la chiave (vedi sopra) probabilmente risolverà questo problema.

S/MIME

Encrypting a message requires the public key(s) of the recipient(s). Signing a message requires your private key.

Private keys are stored by Android and can be imported via the Android advanced security settings. There is a shortcut (button) for this in the privacy settings. Android will ask you to set a PIN, pattern, or password if you didn't before. If you have a Nokia device with Android 9, please read this first.

Note that certificates can contains multiple keys for multiple purposes, for example for authentication, encryption and signing. Android only imports the first key, so to import all the keys, the certificate must first be split. This is not very trivial and you are advised to ask the certificate supplier for support.

Note that S/MIME signing with other algorithms than RSA is supported, but be aware that other email clients might not support this. S/MIME encryption is possible with symmetric algorithms only, which means in practice using RSA.

The default encryption method is PGP, but the last used encryption method will be remembered for the selected identity for the next time. You might need to enable the send options in the three dots menu again to be able to select the encryption method.

To allow different private keys for the same email address, FairEmail will always let you select a key when there are multiple identities with the same email address for the same account.

Public keys are stored by FairEmail and can be imported when verifying a signature for the first time or via the privacy settings (PEM or DER format).

FairEmail verifies both the signature and the complete certificate chain.

Common errors:

  • No certificate found matching targetContraints: this likely means you are using an old version of FairEmail
  • unable to find valid certification path to requested target: basically this means one or more intermediate or root certificates were not found
  • Private key does not match any encryption keys: the selected key cannot be used to decrypt the message, probably because it is the incorrect key
  • No private key: no certificate was selected or no certificate was available in the Android keystore

In case the certificate chain is incorrect, you can tap on the little info button to show the all certificates. After the certificate details the issuer or "selfSign" is shown. A certificate is self signed when the subject and the issuer are the same. Certificates from a certificate authority (CA) are marked with "keyCertSign". Certificates found in the Android key store are marked with "Android".

A valid chain looks like this:

Il tuo certificato > zero o più certificati intermedi > certificato CA (root) contrassegnato con "Android"

Note that a certificate chain will always be invalid when no anchor certificate can be found in the Android key store, which is fundamental to S/MIME certificate validation.

Please see here how you can import certificates into the Android key store.

The use of expired keys, inline encrypted/signed messages and hardware security tokens is not supported.

If you are looking for a free (test) S/MIME certificate, see here for the options. Please be sure to read this first if you want to request an S/MIME Actalis certificate. If you are looking for a cheap S/MIME certificate, I had a good experience with Certum.

How to extract a public key from a S/MIME certificate:

openssl pkcs12 -in filename.pfx/p12 -clcerts -nokeys -out cert.pem

You can decode S/MIME signatures, etc, here.

S/MIME sign/encrypt is a pro feature, but all other PGP and S/MIME operations are free to use.


(13) How does search on device/server work?

You can start searching for messages on sender (from), recipient (to, cc, bcc), subject, keywords or message text by using the magnify glass in the action bar of a folder. You can also search from any app by selecting Search email in the copy/paste popup menu.

Searching in the unified inbox will search in all folders of all accounts, searching in the folder list will search in the associated account only and searching in a folder will search in that folder only.

Messages will be searched for on the device first. There will be an action button with a search again icon at the bottom to continue searching on the server. You can select in which folder to continue the search.

The IMAP protocol doesn't support searching in more than one folder at the same time. Searching on the server is an expensive operation, therefore it is not possible to select multiple folders.

Searching local messages is case insensitive and on partial text. The message text of local messages will not be searched if the message text was not downloaded yet. Searching on the server might be case sensitive or case insensitive and might be on partial text or whole words, depending on the provider.

Some servers cannot handle searching in the message text when there are a large number of messages. For this case there is an option to disable searching in the message text.

It is possible to use Gmail search operators by prefixing a search command with raw:. If you configured just one Gmail account, you can start a raw search directly on the server by searching from the unified inbox. If you configured multiple Gmail accounts, you'll first need to navigate to the folder list or the archive (all messages) folder of the Gmail account you want to search in. Please see here for the possible search operators. For example:

raw:larger:10M

Searching through a large number of messages on the device is not very fast because of two limitations:

  • sqlite, the database engine of Android has a record size limit, preventing message texts from being stored in the database
  • Android apps get only limited memory to work with, even if the device has plenty memory available

This means that searching for a message text requires that files containing the message texts need to be opened one by one to check if the searched text is contained in the file, which is a relatively expensive process.

In the miscellaneous settings you can enable Build search index to significantly increase the speed of searching on the device, but be aware that this will increase battery and storage space usage. The search index is based on words, so searching for partial text is not possible. Searching using the search index is by default AND, so searching for apple orange will search for apple AND orange. Words separated by commas result in searching for OR, so for example apple, orange will search for apple OR orange. Both can be combined, so searching for apple, orange banana will search for apple OR (orange AND banana). Using the search index is a pro feature.

From version 1.1315 it is possible to use search expressions like this:

mela +banana -ciliegia ?noci

This will result in searching like this:

("mela" E "banana" E NON "ciliegia") O "noci"

Search expressions can be used for searching on the device via the search index and for searching on the email server, but not for searching on the device without search index for performance reasons.

Searching on the device is a free feature, using the search index and searching on the server is a pro feature.


(14) How can I set up an Outlook / Live / Hotmail account?

An Outlook / Live / Hotmail account can be set up via the quick setup wizard and selecting Outlook.

To use an Outlook, Live or Hotmail account with two factor authentication enabled, you need to create an app password. See here for the details.

See here for Microsoft's instructions.

For setting up an Office 365 account, please see this FAQ.


(15) Why does the message text keep loading?

The message header and message body are fetched separately from the server. The message text of larger messages is not being pre-fetched on metered connections and will be fetched on demand on expanding a message. The message text will keep loading if there is no connection to the account, see also the next question, or if there other operations, like synchronizing messages, are being executed.

You can check the account and folder list for the account and folder state (see the legend for the meaning of the icons) and the operation list accessible via the main navigation menu for pending operations (see this FAQ for the meaning of the operations).

If FairEmail is holding off because of prior connectivity issues, please see this FAQ, you can force synchronization via the three dots menu.

In the receive settings you can set the maximum size for automatically downloading of messages on metered connections.

Mobile connections are almost always metered and some (paid) Wi-Fi hotspots are too.


(16) Why are messages not being synchronized?

Possible causes of messages not being synchronized (sent or received) are:

  • The account or folder(s) are not set to synchronize
  • The number of days to synchronize message for is set too low
  • There is no usable internet connection
  • The email server is temporarily not available
  • Android stopped the synchronization service

So, check your account and folder settings and check if the accounts/folders are connected (see the legend in the navigation menu for the meaning of the icons).

If there are any error messages, please see this FAQ.

On some devices, where there are lots of applications competing for memory, Android may stop the synchronization service as a last resort.

Some Android versions stop apps and services too aggressively. See this dedicated website and this Android issue for more information.

Disabling battery optimizations (setup step 4) reduces the chance Android will stop the synchronization service.

In case of successive connection errors, FairEmail will hold off increasingly longer to not drain the battery of your device. This is described in this FAQ.


(17) Why does manual synchronize not work?

If the Synchronize now menu is dimmed, there is no connection to the account.

See the previous question for more information.


(18) Why is the message preview not always shown?

The preview of the message text cannot be shown if the message body has not been downloaded yet. See also this FAQ.


(19) Why are the pro features so expensive?

The right question is "why are there so many taxes and fees?":

  • VAT: 25 % (depending on your country)
  • Google fee: 30 %
  • Income tax: 50 %
  • Paypal fee: 5-10 % depending on the country/amount

So, what is left for the developer is just a fraction of what you pay.

Note that only some convenience and advanced features need to be purchased which means that FairEmail is basically free to use.

Also note that most free apps will appear not to be sustainable in the end, whereas FairEmail is properly maintained and supported, and that free apps may have a catch, like sending privacy sensitive information to the internet.

I have been working on FairEmail almost every day for more than two years, so I think the price is more than reasonable. For this reason there won't be discounts either.


(20) Can I get a refund?

If a purchased pro feature doesn't work as intended and this isn't caused by a problem in the free features and I cannot fix the problem in a timely manner, you can get a refund. In all other cases there is no refund possible. In no circumstances there is a refund possible for any problem related to the free features, since there wasn't paid anything for them and because they can be evaluated without any limitation. I take my responsibility as seller to deliver what has been promised and I expect that you take responsibility for informing yourself of what you are buying.

(21) How do I enable the notification light?

Before Android 8 Oreo: there is an advanced option in the setup for this.

Android 8 Oreo and later: see here about how to configure notification channels. You can use the button Manage notifications in the setup to directly go to the Android notification settings. Note that apps cannot change notification settings, including the notification light setting, on Android 8 Oreo and later anymore. Apps designed and targeting older Android versions might still be able to control the contents of notifications, but such apps cannot be updated anymore and recent Android versions will show a warning that such apps are outdated.

Sometimes it is necessary to disable the setting Show message preview in notifications or to enable the settings Show notifications with a preview text only to workaround a bug in Android. This might apply to notification sounds and vibrations too.

Setting a light color before Android 8 is not supported and on Android 8 and later not possible.


(22) What does account/folder error ... mean?

FairEmail does not hide errors like similar apps often do, so it is easier to diagnose problems.

FairEmail will automatically try to connect again after a delay. This delay will be doubled after each failed attempt to prevent draining the battery and to prevent from being locked out permanently.

Ci sono errori generali e specifici ai profili Gmail (vedi sotto).

Errori generali

The error ... Authentication failed ... or ... AUTHENTICATE failed ... likely means that your username or password was incorrect. Some providers expect as username just username and others your full email address username@example.com. When copying/pasting to enter a username or password, invisible characters might be copied, which could cause this problem as well. Some password managers are known to do this incorrectly too. The username might be case sensitive, so try lowercase characters only. The password is almost always case sensitive. Some providers require using an app password instead of the account password, so please check the documentation of the provider. Sometimes it is necessary to enable external access (IMAP/SMTP) on the website of the provider first. Other possible causes are that the account is blocked or that logging in has been administratively restricted in some way, for example by allowing to login from certain networks / IP addresses only.

The error ... Too many bad auth attempts ... likely means that you are using a Yahoo account password instead of an app password. Please see this FAQ about how to setup a Yahoo account.

The message ... +OK ... likely means that a POP3 port (usually port number 995) is being used for an IMAP account (usually port number 993).

The errors ... invalid greeting ..., ... requires valid address ... and ... Parameter to HELO does not conform to RFC syntax ... can likely be solved by changing the advanced identity setting Use local IP address instead of host name.

The error ... Couldn't connect to host ... means that there was no response from the email server within a reasonable time (20 seconds by default). Mostly this indicates internet connectivity issues, possibly caused by a VPN or by a firewall app. You can try to increase the connection timeout in the connection settings of FairEmail, for when the email server is really slow.

The error ... Connection refused ... means that the email server or something between the email server and the app, like a firewall, actively refused the connection.

The error ... Network unreachable ... means that the email server was not reachable via the current internet connection, for example because internet traffic is restricted to local traffic only.

The error ... Host is unresolved ..., ... Unable to resolve host ... or ... No address associated with hostname ... means that the address of the email server could not be resolved into an IP address. This might be caused by a VPN, ad blocking or an unreachable or not properly working (local) DNS server.

The error ... Software caused connection abort ... means that the email server or something between FairEmail and the email server actively terminated an existing connection. This can for example happen when connectivity was abruptly lost. A typical example is turning on flight mode.

The errors ... BYE Logging out ..., ... Connection reset by peer ... mean that the email server actively terminated an existing connection.

The error ... Connection closed by peer ... might be caused by a not updated Exchange server, see here for more information.

The errors ... Read error ..., ... Write error ..., ... Read timed out ..., ... Broken pipe ... mean that the email server is not responding anymore or that the internet connection is bad.

The error ... Unexpected end of zlib input stream ... means that not all data was received, possibly due to a bad or interrupted connection.

The error ... connection failure ... could indicate Too many simultaneous connections.

The warning ... Unsupported encoding ... means that the character set of the message is unknown or not supported. FairEmail will assume ISO-8859-1 (Latin1), which will in most cases result in showing the message correctly.

Please see here for the errors ... Untrusted ... not in certificate ..., ... Invalid security certificate (Can't verify identity of server) ... or ... Trust anchor for certification path not found ...

Please see here for the error ... Syntactically invalid HELO argument(s) ....

Please see here for the error ... Handshake failed ....

See here for what error codes like EHOSTUNREACH and ETIMEDOUT mean.

Possible causes are:

  • A firewall or router is blocking connections to the server
  • The host name or port number is invalid
  • There are problems with the internet connection
  • There are problems with resolving domain names (Yandex: try to disable private DNS in the Android settings)
  • The email server is refusing to accept (external) connections
  • The email server is refusing to accept a message, for example because it is too large or contains unacceptable links
  • There are too many connections to the server, see also the next question

Many public Wi-Fi networks block outgoing email to prevent spam. Sometimes you can workaround this by using another SMTP port. See the documentation of the provider for the usable port numbers.

If you are using a VPN, the VPN provider might block the connection because it is too aggressively trying to prevent spam. Note that Google Fi is using a VPN too.

Send errors

SMTP servers can reject messages for a variety of reasons. Too large messages and triggering the spam filter of an email server are the most common reasons.

  • The attachment size limit for Gmail is 25 MB
  • The attachment size limit for Outlook and Office 365 is 20 MB
  • The attachment size limit for Yahoo is 25 MB
  • 554 5.7.1 Service unavailable; Client host xxx.xxx.xxx.xxx blocked, please see here
  • 501 Errore di sintassi – linea troppo lunga è spesso causata dall'utilizzo di una lunga intestazione Autocrypt
  • 503 5.5.0 Recipient already specified mostly means that an address is being used both as TO and CC address
  • 554 5.7.1 ... non è consentito trasmettere significa che il server di posta elettronica non riconosce il nome utente/indirizzo email. Si prega di controllare il nome host e il nome utente/indirizzo email nelle impostazioni di identità.
  • 550 Spam message rejected because IP is listed by ... means that the email server rejected to send a message from the current (public) network address because it was misused to send spam by (hopefully) somebody else before. Please try to enable flight mode for 10 minutes to acquire a new network address.
  • 571 5.7.1 Message contains spam or virus or sender is blocked ... means that the email server considered an outgoing message as spam. Questo significa probabilmente che i filtri spam del server email sono troppo rigidi. Dovrai contattare il provider di posta elettronica per avere supporto a riguardo.

If you want to use the Gmail SMTP server to workaround a too strict outgoing spam filter or to improve delivery of messages:

  • Verifica il tuo indirizzo email qui (dovrai usare un browser desktop)
  • Cambia le impostazioni di identità come queste (configurazione, fase 2, tocca Gestisci, tocca identità):

  Username: your Gmail address
  Password: an app password
  Host: smtp.gmail.com
  Port: 465
  Encryption: SSL/TLS
  Reply to address: your email address (advanced identity settings)


Gmail errors

The authorization of Gmail accounts setup with the quick wizard needs to be periodically refreshed via the Android account manager. This requires contact/account permissions and internet connectivity.

The error ... Authentication failed ... Account not found ... means that a previously authorized Gmail account was removed from the device.

The errors ... Authentication failed ... No token ... means that the Android account manager failed to refresh the authorization of a Gmail account.

The error ... Authentication failed ... network error ... means that the Android account manager was not able to refresh the authorization of a Gmail account due to problems with the internet connection

The error ... Authentication failed ... Invalid credentials ... could be caused by changing the account password or by having revoked the required account/contacts permissions. In case the account password was changed, you'll need to authenticate the Google account in the Android account settings again. In case the permissions were revoked, you can start the Gmail quick setup wizard to grant the required permissions again (you don't need to setup the account again).

The eror ... ServiceDisabled ... might be caused by enrolling in the Advanced Protection Program: "To read your email, you can (must) use Gmail - You won’t be able to use your Google Account with some (all) apps & services that require access to sensitive data like your emails", see here.

When in doubt, you can ask for support.


(23) Why do I get alert ... ?

Generale

Alerts are warning messages sent by email servers.

Too many simultaneous connections or Maximum number of connections exceeded

This alert will be sent when there are too many folder connections for the same email account at the same time.

Possible causes are:

  • Ci sono client email multipli connessi allo stesso profilo
  • Lo stesso client email è connesso diverse volte allo stesso profilo
  • Le connessioni precedenti sono state terminate bruscamente per esempio perdendo bruscamente la connettività internet

First try to wait some time to see if the problem resolves itself, else:

  • o passa alla verifica periodica dei messaggi nelle impostazioni di ricezione, che risulterà nell'apertura delle cartelle una per volta
  • or set some folders to poll instead of synchronize (long press folder in the folder list, edit properties)

An easy way to configure periodically checking for messages for all folders except the inbox is to use Apply to all ... in the three-dots menu of the folder list and to tick the bottom two advanced checkboxes.

The maximum number of simultaneous folder connections for Gmail is 15, so you can synchronize at most 15 folders simultaneously on all your devices at the same time. For this reason Gmail user folders are set to poll by default instead of synchronize always. When needed or desired, you can change this by long pressing a folder in the folder list and selecting Edit properties. See here for details.

When using a Dovecot server, you might want to change the setting mail_max_userip_connections.

Note that it will take the email server a while to discover broken connections, for example due to going out of range of a network, which means that effectively only half of the folder connections are available. For Gmail this would be just 7 connections.


(24) What is browse messages on the server?

Browse messages on the server will fetch messages from the email server in real time when you reach the end of the list of synchronized messages, even when the folder is set to not synchronize. You can disable this feature in the advanced account settings.


(25) Why can't I select/open/save an image, attachment or a file?

When a menu item to select/open/save a file is disabled (dimmed) or when you get the message Storage access framework not available, the storage access framework, a standard Android component, is probably not present. This might be because your custom ROM does not include it or because it was actively removed (debloated).

FairEmail does not request storage permissions, so this framework is required to select files and folders. No app, except maybe file managers, targeting Android 4.4 KitKat or later should ask for storage permissions because it would allow access to all files.

The storage access framework is provided by the package com.android.documentsui, which is visible as Files app on some Android versions (notable OxygenOS).

You can enable the storage access framework (again) with this adb command:

pm install -k --user 0 com.android.documentsui

Alternatively, you might be able to enable the Files app again using the Android app settings.


(26) Can I help to translate FairEmail in my own language?

Yes, you can translate the texts of FairEmail in your own language on Crowdin. Registration is free.

If you would like your name or alias to be included in the list of contributors in About the app, please contact me.


(27) How can I distinguish between embedded and external images?

External image:

External image

Embedded image:

Embedded image

Broken image:

Broken image

Note that downloading external images from a remote server can be used to record you did see a message, which you likely don't want if the message is spam or malicious.


(28) How can I manage status bar notifications?

In the setup you'll find a button Manage notifications to directly navigate to the Android notifications settings for FairEmail.

On Android 8.0 Oreo and later you can manage the properties of the individual notification channels, for example to set a specific notification sound or to show notifications on the lock screen.

FairEmail has the following notification channels:

  • Service: used for the notification of the synchronize service, see also this FAQ
  • Send: used for the notification of the send service
  • Notifications: used for new message notifications
  • Warning: used for warning notifications
  • Error: used for error notifications

See here for details on notification channels. In short: tap on the notification channel name to access the channel settings.

On Android before Android 8 Oreo you can set the notification sound in the settings.

See this FAQ if your device has a notification light.


(29) How can I get new message notifications for other folders?

Just long press a folder, select Edit properties, and enable either Show in unified inbox or Notify new messages (available on Android 7 Nougat and later only) and tap Save.


(30) How can I use the provided quick settings?

There are quick settings (settings tiles) available to:

  • globally enable/disable synchronization
  • show the number of new messages and marking them as seen (not read)

Quick settings require Android 7.0 Nougat or later. The usage of settings tiles is explained here.


(31) How can I use the provided shortcuts?

There are shortcuts available to:

  • compose a new message to a favorite contact
  • setup accounts, identities, etc

Shortcuts require Android 7.1 Nougat or later. The usage of shortcuts is explained here.


(32) How can I check if reading email is really safe?

You can use the Email Privacy Tester for this.


(33) Why are edited sender addresses not working?

Most providers accept validated addresses only when sending messages to prevent spam.

For example Google modifies the message headers like this for unverified addresses:

From: Somebody <somebody@example.org>
X-Google-Original-From: Somebody <somebody+extra@example.org>

This means that the edited sender address was automatically replaced by a verified address before sending the message.

Note that this is independent of receiving messages.


(34) How are identities matched?

Identities are as expected matched by account. For incoming messages the to, cc, bcc, from and (X-)delivered/envelope/original-to addresses will be checked (in this order) and for outgoing messages (drafts, outbox and sent) only the from addresses will be checked. Equal addresses have precedence over partially matching addresses, except for delivered-to addresses.

The matched address will be shown as via in the addresses section of received messages (between the message header and message text).

Note that identities needs to be enabled to be able to be matched and that identities of other accounts will not be considered.

Matching will be done only once on receiving a message, so changing the configuration will not change existing messages. You could clear local messages by long pressing a folder in the folder list and synchronize the messages again though.

It is possible to configure a regex in the identity settings to match the username of an email address (the part before the @ sign).

Note that the domain name (the parts after the @ sign) always needs to be equal to the domain name of the identity.

If you like to match a catch-all email address, this regex is mostly okay:

.*

If you like to match the special purpose email addresses abc@example.com and xyx@example.com and like to have a fallback email address main@example.com as well, you could do something like this:

  • Identity: abc@example.com; regex: (?i)abc
  • Identity: xyz@example.com; regex: (?i)xyz
  • Identity: main@example.com; regex: ^(?i)((?!abc|xyz).)*$

Matched identities can be used to color code messages. The identity color takes precedence over the account color. Setting identity colors is a pro feature.


(35) Why should I be careful with viewing images, attachments, the original message, and opening links?

Viewing remotely stored images (see also this FAQ) and opening links might not only tell the sender that you have seen the message, but will also leak your IP address. See also this question: Why email's link is more dangerous than web search's link?.

Opening attachments or viewing an original message might load remote content and execute scripts, that might not only cause privacy sensitive information to leak, but can also be a security risk.

Note that your contacts could unknowingly send malicious messages if they got infected with malware.

FairEmail formats messages again causing messages to look different from the original, but also uncovering phishing links.

Note that reformatted messages are often better readable than original messages because the margins are removed, and font colors and sizes are standardized.

The Gmail app shows images by default by downloading the images through a Google proxy server. Since the images are downloaded from the source server in real-time, this is even less secure because Google is involved too without providing much benefit.

You can show images and original messages by default for trusted senders on a case-by-case basis by checking Do not ask this again for ....

If you want to reset the default Open with apps, please see here.


(36) How are settings files encrypted?

Short version: AES 256 bit

Long version:

  • The 256 bit key is generated with PBKDF2WithHmacSHA1 using a 128 bit secure random salt and 65536 iterations
  • The cipher is AES/CBC/PKCS5Padding

(37) How are passwords stored?

All supported Android versions encrypt all user data, so all data, including usernames, passwords, messages, etc, is stored encrypted.

If the device is secured with a PIN, pattern or password, you can make the account and identity passwords visible. If this is a problem because you are sharing the device with other people, consider to use user profiles.


(39) How can I reduce the battery usage of FairEmail?

Recent Android versions by default report app usage as a percentage in the Android battery settings screen. Confusingly, app usage is not the same as battery usage and is not even directly related to battery usage! The app usage (while in use) will be very high because FairEmail is using a foreground service which is considered as constant app usage by Android. However, this doesn't mean that FairEmail is constantly using battery power. The real battery usage can be seen by navigating to this screen:

Android settings, Battery, three-dots menu Battery usage, three-dots menu Show full device usage

As a rule of thumb the battery usage should be below or in any case not be much higher than Mobile network standby. If this isn't the case, please turn on Auto optimize in the receive settings. If this doesn't help, please ask for support.

It is inevitable that synchronizing messages will use battery power because it requires network access and accessing the messages database.

If you are comparing the battery usage of FairEmail with another email client, please make sure the other email client is setup similarly. For example comparing always sync (push messages) and (infrequent) periodic checking for new messages is not a fair comparison.

Reconnecting to an email server will use extra battery power, so an unstable internet connection will result in extra battery usage. Also, some email servers prematurely terminate idle connections, while the standard says that an idle connection should be kept open for 29 minutes. In these cases you might want to synchronize periodically, for example each hour, instead of continuously. Note that polling frequently (more than every 30-60 minutes) will likely use more battery power than synchronizing always because connecting to the server and comparing the local and remote messages are expensive operations.

On some devices it is necessary to disable battery optimizations (setup step 4) to keep connections to email servers open. In fact, leaving battery optimizations enabled can result in extra battery usage for all devices, even though this sounds contradictory!

Most of the battery usage, not considering viewing messages, is due to synchronization (receiving and sending) of messages. So, to reduce the battery usage, set the number of days to synchronize message for to a lower value, especially if there are a lot of recent messages in a folder. Long press a folder name in the folders list and select Edit properties to access this setting.

If you have at least once a day internet connectivity, it is sufficient to synchronize messages just for one day.

Note that you can set the number of days to keep messages for to a higher number than to synchronize messages for. You could for example initially synchronize messages for a large number of days and after this has been completed reduce the number of days to synchronize messages for, but leave the number of days to keep messages for. After decreasing the number of days to keep messages for, you might want to run the cleanup in the miscellaneous settings to remove old files.

In the receive settings you can enable to always synchronize starred messages, which will allow you to keep older messages around while synchronizing messages for a limited number of days.

Disabling the folder option Automatically download message texts and attachments will result in less network traffic and thus less battery usage. You could disable this option for example for the sent folder and the archive.

Synchronizing messages at night is mostly not useful, so you can save on battery usage by not synchronizing at night. In the settings you can select a schedule for message synchronization (this is a pro feature).

FairEmail will by default synchronize the folder list on each connection. Since folders are mostly not created, renamed and deleted very often, you can save some network and battery usage by disabling this in the receive settings.

FairEmail will by default check if old messages were deleted from the server on each connection. If you don't mind that old messages that were delete from the server are still visible in FairEmail, you can save some network and battery usage by disabling this in the receive settings.

Some providers don't follow the IMAP standard and don't keep connections open long enough, forcing FairEmail to reconnect often, causing extra battery usage. You can inspect the Log via the main navigation menu to check if there are frequent reconnects (connection closed/reset, read/write error/timeout, etc). You can workaround this by lowering the keep-alive interval in the advanced account settings to for example 9 or 15 minutes. Note that battery optimizations need to be disabled in setup step 4 to reliably keep connections alive.

Some providers send every two minutes something like 'Still here' resulting in network traffic and your device to wake up and causing unnecessary extra battery usage. You can inspect the Log via the main navigation menu to check if your provider is doing this. If your provider is using Dovecot as IMAP server, you could ask your provider to change the imap_idle_notify_interval setting to a higher value or better yet, to disable this. If your provider is not able or willing to change/disable this, you should consider to switch to periodically instead of continuous synchronization. You can change this in the receive settings.

If you got the message This provider does not support push messages while configuring an account, consider switching to a modern provider which supports push messages (IMAP IDLE) to reduce battery usage.

If your device has an AMOLED screen, you can save battery usage while viewing messages by switching to the black theme.

If auto optimize in the receive settings is enabled, an account will automatically be switched to periodically checking for new messages when the email server:

  • Says 'Still here' within 3 minutes
  • The email server does not support push messages
  • The keep-alive interval is lower than 12 minutes

In addition, the trash and spam folders will be automatically set to checking for new messages after three successive too many simultaneous connections errors.


(40) How can I reduce the data usage of FairEmail?

You can reduce the data usage basically in the same way as reducing battery usage, see the previous question for suggestions.

It is inevitable that data will be used to synchronize messages.

If the connection to the email server is lost, FairEmail will always synchronize the messages again to make sure no messages were missed. If the connection is unstable, this can result in extra data usage. In this case, it is a good idea to decrease the number of days to synchronize messages for to a minimum (see the previous question) or to switch to periodically synchronizing of messages (receive settings).

To reduce data usage, you could change these advanced receive settings:

  • Check if old messages were removed from the server: disable
  • Synchronize (shared) folder list: disable

By default FairEmail does not download message texts and attachments larger than 256 KiB when there is a metered (mobile or paid Wi-Fi) internet connection. You can change this in the connection settings.


(41) How can I fix the error 'Handshake failed' ?

There are several possible causes, so please read to the end of this answer.

The error 'Handshake failed ... WRONG_VERSION_NUMBER ...' might mean that you are trying to connect to an IMAP or SMTP server without an encrypted connection, typically using port 143 (IMAP) and port 25 (SMTP), or that a wrong protocol (SSL/TLS or STARTTLS) is being used.

Most providers provide encrypted connections using different ports, typically port 993 (IMAP) and port 465/587 (SMTP).

If your provider doesn't support encrypted connections, you should ask to make this possible. If this isn't an option, you could enable Allow insecure connections both in the advanced settings AND the account/identity settings.

See also this FAQ.

The error 'Handshake failed ... SSLV3_ALERT_ILLEGAL_PARAMETER ...' is either caused by a bug in the SSL protocol implementation or by a too short DH key on the email server and can unfortunately not be fixed by FairEmail.

The error 'Handshake failed ... HANDSHAKE_FAILURE_ON_CLIENT_HELLO ...' might be caused by the provider still using RC4, which isn't supported since Android 7 anymore.

The error 'Handshake failed ... UNSUPPORTED_PROTOCOL or TLSV1_ALERT_PROTOCOL_VERSION ...' might be caused by enabling hardening connections in the connection settings or by Android not supporting older protocols anymore, like SSLv3.

Android 8 Oreo and later do not support SSLv3 anymore. There is no way to workaround lacking RC4 and SSLv3 support because it has completely been removed from Android (which should say something).

You can use this website or this website to check for SSL/TLS problems of email servers.


(42) Can you add a new provider to the list of providers?

If the provider is used by more than a few people, yes, with pleasure.

The following information is needed:

<provider
    name="Gmail"
    link="https://support.google.com/mail/answer/7126229" // link to the instructions of the provider
    type="com.google"> // questo non è necessario
    <imap
        host="imap.gmail.com"
        port="993"
        starttls="false" />
    <smtp
        host="smtp.gmail.com"
        port="465"
        starttls="false" />
</provider>

The EFF writes: "Additionally, even if you configure STARTTLS perfectly and use a valid certificate, there’s still no guarantee your communication will be encrypted."

So, pure SSL connections are safer than using STARTTLS and therefore preferred.

Please make sure receiving and sending messages works properly before contacting me to add a provider.

See below about how to contact me.


(43) Can you show the original ... ?

Show original, shows the original message as the sender has sent it, including original fonts, colors, margins, etc. FairEmail does and will not alter this in any way, except for requesting TEXT_AUTOSIZING, which will attempt to make small text more readable.


(44) Can you show contact photos / identicons in the sent folder?

Contact photos and identicons are always shown for the sender because this is necessary for conversation threads. Getting contact photos for both the sender and receiver is not really an option because getting contact photo is an expensive operation.


(45) How can I fix 'This key is not available. To use it, you must import it as one of your own!' ?

You'll get the message This key is not available. To use it, you must import it as one of your own! when trying to decrypt a message with a public key. To fix this you'll need to import the private key.


(46) Why does the message list keep refreshing?

If you see a 'spinner' at the top of the message list, the folder is still being synchronized with the remote server. You can see the progress of the synchronization in the folder list. See the legend about what the icons and numbers mean.

The speed of your device and internet connection and the number of days to synchronize messages for determine how long synchronization will take. Note that you shouldn't set the number of days to synchronize messages for to more than one day in most cases, see also this FAQ.


(47) How do I solve the error 'No primary account or no drafts folder' ?

You'll get the error message No primary account or no drafts folder when trying to compose a message while there is no account set to be the primary account or when there is no drafts folder selected for the primary account. This can happen for example when you start FairEmail to compose a message from another app. FairEmail needs to know where to store the draft, so you'll need to select one account to be the primary account and/or you'll need to select a drafts folder for the primary account.

This can also happen when you try to reply to a message or to forward a message from an account with no drafts folder while there is no primary account or when the primary account does not have a drafts folder.

Please see this FAQ for some more information.


(48) How do I solve the error 'No primary account or no archive folder' ?

You'll get the error message No primary account or no archive folder when searching for messages from another app. FairEmail needs to know where to search, so you'll need to select one account to be the primary account and/or you'll need to select a archive folder for the primary account.


(49) How do I fix 'An outdated app sent a file path instead of a file stream' ?

You likely selected or sent an attachment or image with an outdated file manager or an outdated app which assumes all apps still have storage permissions. For security and privacy reasons modern apps like FairEmail have no full access to all files anymore. This can result into the error message An outdated app sent a file path instead of a file stream if a file name instead of a file stream is being shared with FairEmail because FairEmail cannot randomly open files.

You can fix this by switching to an up-to-date file manager or an app designed for recent Android versions. Alternatively, you can grant FairEmail read access to the storage space on your device in the Android app settings. Note that this workaround won't work on Android Q anymore.

See also question 25 and what Google writes about it.


(50) Can you add an option to synchronize all messages?

You can synchronize more or even all messages by long pressing a folder (inbox) in the folder list of an account (tap on the account name in the navigation menu) and selecting Synchronize more in the popup menu.


(51) How are folders sorted?

Folders are first sorted on account order (by default on account name) and within an account with special, system folders on top, followed by folders set to synchronize. Within each category the folders are sorted on (display) name. You can set the display name by long pressing a folder in the folder list and selecting Edit properties.

The navigation (hamburger) menu item Order folders in the setup can be used to manually order the folders.


(52) Why does it take some time to reconnect to an account?

There is no reliable way to know if an account connection was terminated gracefully or forcefully. Trying to reconnect to an account while the account connection was terminated forcefully too often can result in problems like too many simultaneous connections or even the account being blocked. To prevent such problems, FairEmail waits 90 seconds until trying to reconnect again.

You can long press Settings in the navigation menu to reconnect immediately.


(53) Can you stick the message action bar to the top/bottom?

The message action bar works on a single message and the bottom action bar works on all the messages in the conversation. Since there is often more than one message in a conversation, this is not possible. Moreover, there are quite some message specific actions, like forwarding.

Moving the message action bar to the bottom of the message is visually not appealing because there is already a conversation action bar at the bottom of the screen.

Note that there are not many, if any, email apps that display a conversation as a list of expandable messages. This has a lot of advantages, but the also causes the need for message specific actions.


(54) How do I use a namespace prefix?

A namespace prefix is used to automatically remove the prefix providers sometimes add to folder names.

For example the Gmail spam folder is called:

[Gmail]/Spam

By setting the namespace prefix to [Gmail] FairEmail will automatically remove [Gmail]/ from all folder names.


(55) How can I mark all messages as read / move or delete all messages?

You can use multiple select for this. Long press the first message, don't lift your finger and slide down to the last message. Then use the three dot action button to execute the desired action.


(56) Can you add support for JMAP?

There are almost no providers offering the JMAP protocol, so it is not worth a lot of effort to add support for this to FairEmail.


(57) Can I use HTML in signatures?

Yes, you can use HTML. In the signature editor you can switch to HTML mode via the three-dots menu.

Note that if you switch back to the text editor that not all HTML might be rendered as-is because the Android text editor is not able to render all HTML. Similarly, if you use the text editor, the HTML might be altered in unexpected ways.

If you want to use preformatted text, like ASCII art, you should wrap the text in a pre element, like this:

<pre>
  |\_/|
 / @ @ \
( > º < )
 `>>x<<´
 /  O  \
 </pre>

(58) What does an open/closed email icon mean?

The email icon in the folder list can be open (outlined) or closed (solid):

External image

Message bodies and attachments are not downloaded by default.

External image

Message bodies and attachments are downloaded by default.


(59) Can original messages be opened in the browser?

For security reasons the files with the original message texts are not accessible to other apps, so this is not possible. In theory the Storage Access Framework could be used to share these files, but even Google's Chrome cannot handle this.


(60) Did you know ... ?

  • Did you know that starred messages can be synchronized/kept always? (this can be enabled in the receive settings)
  • Did you know that you can long press the 'write message' icon to go to the drafts folder?
  • Did you know there is an advanced option to mark messages read when they are moved? (archiving and trashing is also moving)
  • Did you know that you can select text (or an email address) in any app on recent Android versions and let FairEmail search for it?
  • Did you know that FairEmail has a tablet mode? Rotate your device in landscape mode and conversation threads will be opened in a second column if there is enough screen space.
  • Did you know that you can long press a reply template to create a draft message from the template?
  • Did you know that you can long press, hold and swipe to select a range of messages?
  • Did you know that you can retry sending messages by using pull-down-to-refresh in the outbox?
  • Did you know that you can swipe a conversation left or right to go to the next or previous conversation?
  • Did you know that you can tap on an image to see where it will be downloaded from?
  • Did you know that you can long press the folder icon in the action bar to select an account?
  • Did you know that you can long press the star icon in a conversation thread to set a colored star?
  • Did you know that you can open the navigation drawer by swiping from the left, even when viewing a conversation?
  • Did you know that you can long press the people's icon to show/hide the CC/BCC fields and remember the visibility state for the next time?
  • Did you know that you can insert the email addresses of an Android contact group via the three dots overflow menu?
  • Did you know that if you select text and hit reply, only the selected text will be quoted?
  • Did you know that you can long press the trash icons (both in the message and the bottom action bar) to permanently delete a message or conversation? (version 1.1368+)
  • Did you know that you can long press the send action to show the send dialog, even if it was disabled?
  • Did you know that you can long press the full screen icon to show the original message text only?

(61) Why are some messages shown dimmed?

Messages shown dimmed (grayed) are locally moved messages for which the move is not confirmed by the server yet. This can happen when there is no connection to the server or the account (yet). These messages will be synchronized after a connection to the server and the account has been made or, if this never happens, will be deleted if they are too old to be synchronized.

You might need to manually synchronize the folder, for example by pulling down.

You can view these messages, but you cannot move these messages again until the previous move has been confirmed.

Pending operations are shown in the operations view accessible from the main navigation menu.


(62) Which authentication methods are supported?

The following authentication methods are supported and used in this order:

  • LOGIN
  • PLAIN
  • CRAM-MD5
  • XOAUTH2 (Gmail, Yandex)
  • NTLM (untested)

SASL authentication methods, besides CRAM-MD5, are not supported because JavaMail for Android does not support SASL authentication.

If your provider requires an unsupported authentication method, you'll likely get the error message authentication failed.

Server Name Indication is supported by all supported Android versions.


(63) How are images resized for displaying on screens?

Large inline or attached PNG and JPEG images will automatically be resized for displaying on screens. This is because email messages are limited in size, depending on the provider mostly between 10 and 50 MB. Images will by default be resized to a maximum width and height of about 1440 pixels and saved with a compression ratio of 90 %. Images are scaled down using whole number factors to reduce memory usage and to retain image quality. Automatically resizing of inline and/or attached images and the maximum target image size can be configured in the send settings.

If you want to resize images on a case-by-case basis, you can use Send Reduced or a similar app.


(64) Can you add custom actions for swipe left/right?

The most natural thing to do when swiping a list entry left or right is to remove the entry from the list. The most natural action in the context of an email app is moving the message out of the folder to another folder. You can select the folder to move to in the account settings.

Other actions, like marking messages read and snoozing messages are available via multiple selection. You can long press a message to start multiple selection. See also this question.

Swiping left or right to mark a message read or unread is unnatural because the message first goes away and later comes back in a different shape. Note that there is an advanced option to mark messages automatically read on moving, which is in most cases a perfect replacement for the sequence mark read and move to some folder. You can also mark messages read from new message notifications.

If you want to read a message later, you can hide it until a specific time by using the snooze menu.


(65) Why are some attachments shown dimmed?

Inline (image) attachments are shown dimmed. Inline attachments are supposed to be downloaded and shown automatically, but since FairEmail doesn't always download attachments automatically, see also this FAQ, FairEmail shows all attachment types. To distinguish inline and regular attachments, inline attachments are shown dimmed.


(66) Is FairEmail available in the Google Play Family Library?

The price of the few pro features is too low, lower than the price of most similar apps, and there are too many fees and taxes, to justify making FairEmail available in the Google Play Family Library. Note that Google promotes the Family libray, but lets developers pay for it.


(67) How can I snooze conversations?

Multiple select one of more conversations (long press to start multiple selecting), tap the three dot button and select Snooze .... Alternatively, in the expanded message view use Snooze ... in the message three-dots 'more' menu or the timelapse action in the bottom action bar. Select the time the conversation(s) should snooze and confirm by tapping OK. The conversations will be hidden for the selected time and shown again afterwards. You will receive a new message notification as reminder.

It is also possible to snooze messages with a rule.

You can show snoozed messages by unchecking Filter out > Hidden in the three dot overflow menu.

You can tap on the small snooze icon to see until when a conversation is snoozed.

By selecting a zero snooze duration you can cancel snoozing.


(68) Why can Adobe Acrobat reader not open PDF attachments / Microsoft apps not open attached documents?

Adobe Acrobat reader and Microsoft apps still expects full access to all stored files, while apps should use the Storage Access Framework since Android KitKat (2013) to have access to actively shared files only. This is for privacy and security reasons.

You can workaround this by saving the attachment and opening it from the Adobe Acrobat reader / Microsoft app, but you are advised to install an up-to-date and preferably open source PDF reader / document viewer, for example one listed here.


(69) Can you add auto scroll up on new message?

The message list is automatically scrolled up when navigating from a new message notification or after a manual refresh. Always automatically scrolling up on arrival of new messages would interfere with your own scrolling, but if you like you can enable this in the settings.


(70) When will messages be auto expanded?

When navigation to a conversation one message will be expanded if:

  • There is just one message in the conversation
  • There is exactly one unread message in the conversation

There is one exception: the message was not downloaded yet and the message is too large to download automatically on a metered (mobile) connection. You can set or disable the maximum message size on the 'connection' settings tab.

Duplicate (archived) messages, trashed messages and draft messages are not counted.

Messages will automatically be marked read on expanding, unless this was disabled in the individual account settings.


(71) How do I use filter rules?

You can edit filter rules by long pressing a folder in the folder list of an account (tap the account name in the navigation/side menu).

New rules will be applied to new messages received in the folder, not to existing messages. You can check the rule and apply the rule to existing messages or, alternatively, long press the rule in the rule list and select Execute now.

You'll need to give a rule a name and you'll need to define the order in which a rule should be executed relative to other rules.

You can disable a rule and you can stop processing other rules after a rule has been executed.

The following rule conditions are available:

  • Sender contains
  • Recipient contains
  • Subject contains
  • Has attachments
  • Header contains
  • Day/time between

All the conditions of a rule need to be true for the rule action to be executed. All conditions are optional, but there needs to be at least one condition, to prevent matching all messages. If you want to match all senders or all recipients, you can just use the @ character as condition because all email addresses will contain this character.

Note that email addresses are formatted like this:

"Somebody" <somebody@example.org>

You can use multiple rules, possibly with a stop processing, for an or or a not condition.

Matching is not case sensitive, unless you use regular expressions. Please see here for the documentation of Java regular expressions. You can test a regex here.

Note that a regular expression supports an or operator, so if you want to match multiple senders, you can do this:

.*alice@example\.org.*|.*bob@example\.org.*|.*carol@example\.org.*

Note that dot all mode is enabled to be able to match unfolded headers.

You can select one of these actions to apply to matching messages:

  • No action (useful for not)
  • Mark as read
  • Mark as unread
  • Hide
  • Suppress notification
  • Snooze
  • Add star
  • Set importance (local priority)
  • Add keyword
  • Move
  • Copy (Gmail: label)
  • Answer/forward (with template)
  • Text-to-speech (sender and subject)
  • Automation (Tasker, etc)

Rules are applied directly after the message header has been fetched, but before the message text has been downloaded, so it is not possible to apply conditions to the message text. Note that large message texts are downloaded on demand on a metered connection to save on data usage.

If you want to forward a message, consider to use the move action instead. This will be more reliable than forwarding as well because forwarded messages might be considered as spam.

Since message headers are not downloaded and stored by default to save on battery and data usage and to save storage space it is not possible to preview which messages would match a header rule condition.

Some common header conditions (regex):

  • .*Auto-Submitted:.* RFC3834
  • .*Content-Type: multipart/report.* RFC3462

In the three-dots more message menu there is an item to create a rule for a received message with the most common conditions filled in.

The POP3 protocol does not support setting keywords and moving or copying messages.

Using rules is a pro feature.


(72) What are primary accounts/identities?

The primary account is used when the account is ambiguous, for example when starting a new draft from the unified inbox.

Similarly, the primary identity of an account is used when the identity is ambiguous.

There can be just one primary account and there can be just one primary identity per account.


(73) Is moving messages across accounts safe/efficient?

Moving messages across accounts is safe because the raw, original messages will be downloaded and moved and because the source messages will be deleted only after the target messages have been added

Batch moving messages across accounts is efficient if both the source folder and target folder are set to synchronize, else FairEmail needs to connect to the folder(s) for each message.


(74) Why do I see duplicate messages?

Some providers, notably Gmail, list all messages in all folders, except trashed messages, in the archive (all messages) folder too. FairEmail shows all these messages in a non obtrusive way to indicate that these messages are in fact the same message.

Gmail allows one message to have multiple labels, which are presented to FairEmail as folders. This means that messages with multiple labels will be shown multiple times as well.


(75) Can you make an iOS, Windows, Linux, etc version?

A lot of knowledge and experience is required to successfully develop an app for a specific platform, which is why I develop apps for Android only.


(76) What does 'Clear local messages' do?

The folder menu Clear local messages removes messages from the device which are present on the server too. It does not delete messages from the server. This can be useful after changing the folder settings to not download the message content (text and attachments), for example to save space.


(77) Why are messages sometimes shown with a small delay?

Depending on the speed of your device (processor speed and maybe even more memory speed) messages might be displayed with a small delay. FairEmail is designed to dynamically handle a large number of messages without running out of memory. This means that messages needs to be read from a database and that this database needs to be watched for changes, both of which might cause small delays.

Some convenience features, like grouping messages to display conversation threads and determining the previous/next message, take a little extra time. Note that there is no the next message because in the meantime a new message might have been arrived.

When comparing the speed of FairEmail with similar apps this should be part of the comparison. It is easy to write a similar, faster app which just displays a lineair list of messages while possible using too much memory, but it is not so easy to properly manage resource usage and to offer more advanced features like conversation threading.

FairEmail is based on the state-of-the-art Android architecture components, so there is little room for performance improvements.


(78) How do I use schedules?

In the receive settings you can enable scheduling and set a time period and the days of the week when messages should be received. Note that an end time equal to or earlier than the start time is considered to be 24 hours later.

Automation, see below, can be used for more advanced schedules, like for example multiple synchronization periods per day or different synchronization periods for different days.

It is possible to install FairEmail in multiple user profiles, for example a personal and a work profile, and to configure FairEmail differently in each profile, which is another possibility to have different synchronization schedules and to synchronize a different set of accounts.

It is also possible to create filter rules with a time condition and to snooze messages until the end time of the time condition. This way it is possible to snooze business related messages until the start of the business hours. This also means that the messages will be on your device for when there is (temporarily) no internet connection.

Note that recent Android versions allow overriding DND (Do Not Disturb) per notification channel and per app, which could be used to (not) silence specific (business) notifications. Please see here for more information.

For more complex schemes you could set one or more accounts to manual synchronization and send this command to FairEmail to check for new messages:

(adb shell) am startservice -a eu.faircode.email.POLL

For a specific account:

(adb shell) am startservice -a eu.faircode.email.POLL --es account Gmail

You can also automate turning receiving messages on and off by sending these commands to FairEmail:

(adb shell) am startservice -a eu.faircode.email.ENABLE
(adb shell) am startservice -a eu.faircode.email.DISABLE

To enable/disable a specific account:

(adb shell) am startservice -a eu.faircode.email.ENABLE --es account Gmail
(adb shell) am startservice -a eu.faircode.email.DISABLE --es account Gmail

Note that disabling an account will hide the account and all associated folders and messages.

You can automatically send commands with for example Tasker:

Nuova attività: Qualcosa di riconoscibile
Categoria d'Azione: Intento Varie/Invia
Azione: eu.faircode.email.ENABLE
Target: Servizio

To enable/disable an account with the name Gmail:

Extra: account:Gmail

Account names are case sensitive.

Scheduling is a pro feature.


(79) How do I use synchronize on demand (manual)?

Normally, FairEmail maintains a connection to the configured email servers whenever possible to receive messages in real-time. If you don't want this, for example to be not disturbed or to save on battery usage, just disable receiving in the receive settings. This will stop the background service which takes care of automatic synchronization and will remove the associated status bar notification.

You can also enable Synchronize manually in the advanced account settings if you want to manually synchronize specific accounts only.

You can use pull-down-to-refresh in a message list or use the folder menu Synchronize now to manually synchronize messages.

If you want to synchronize some or all folders of an account manually, just disable synchronization for the folders (but not of the account).

You'll likely want to disabled browse on server too.


(80) How do I fix the error 'Unable to load BODYSTRUCTURE' ?

The error message Unable to load BODYSTRUCTURE is caused by bugs in the email server, see here for more details.

FairEmail already tries to workaround these bugs, but if this fail you'll need to ask for support from your provider.


(81) Can you make the background of the original message dark in the dark theme?

The original message is shown as the sender has sent it, including all colors. Changing the background color would not only make the original view not original anymore, it can also result in unreadable messages.


(82) What is a tracking image?

Please see here about what a tracking image exactly is. In short tracking images keep track if you opened a message.

FairEmail will in most cases automatically recognize tracking images and replace them by this icon:

External image

Automatic recognition of tracking images can be disabled in the privacy settings.


(84) What are local contacts for?

Local contact information is based on names and addresses found in incoming and outgoing messages.

The main use of the local contacts storage is to offer auto completion when no contacts permission has been granted to FairEmail.

Another use is to generate shortcuts on recent Android versions to quickly send a message to frequently contacted people. This is also why the number of times contacted and the last time contacted is being recorded and why you can make a contact a favorite or exclude it from favorites by long pressing it.

The list of contacts is sorted on number of times contacted and the last time contacted.

By default only names and addresses to whom you send messages to will be recorded. You can change this in the send settings.


(85) Why is an identity not available?

An identity is available for sending a new message or replying or forwarding an existing message only if:

  • the identity is set to synchronize (send messages)
  • the associated account is set to synchronize (receive messages)
  • the associated account has a drafts folder

FairEmail will try to select the best identity based on the to address of the message replied to / being forwarded.


(86) What are 'extra privacy features'?

The advanced option extra privacy features enables:

  • Looking up the owner of the IP address of a link
  • Detection and removal of tracking images

(87) What does 'invalid credentials' mean?

The error message invalid credentials means either that the user name and/or password is incorrect, for example because the password was changed or expired, or that the account authorization has expired.

If the password is incorrect/expired, you will have to update the password in the account and/or identity settings.

If the account authorization has expired, you will have to select the account again. You will likely need to save the associated identity again as well.


(88) How can I use a Yahoo, AOL or Sky account?

The preferred way to set up a Yahoo account is by using the quick setup wizard, which will use OAuth instead of a password and is therefore safer (and easier as well).

To authorize a Yahoo, AOL, or Sky account you will need to create an app password. For instructions, please see here:

Please see this FAQ about OAuth support.

Note that Yahoo, AOL, and Sky do not support standard push messages. The Yahoo email app uses a proprietary, undocumented protocol for push messages.

Push messages require IMAP IDLE and the Yahoo email server does not report IDLE as capability:

Y1 CAPABILITY
* CAPABILITY IMAP4rev1 ID MOVE NAMESPACE XYMHIGHESTMODSEQ UIDPLUS LITERAL+ CHILDREN X-MSG-EXT UNSELECT OBJECTID
Y1 OK CAPABILITY completed

(89) How can I send plain text only messages?

By default FairEmail sends each message both as plain text and as HTML formatted text because almost every receiver expects formatted messages these days. If you want/need to send plain text messages only, you can enable this in the advanced identity options. You might want to create a new identity for this if you want/need to select sending plain text messages on a case-by-case basis.


(90) Why are some texts linked while not being a link?

FairEmail will automatically link not linked web links (http and https) and not linked email addresses (mailto) for your convenience. However, texts and links are not easily distinguished, especially not with lots of top level domains being words. This is why texts with dots are sometimes incorrectly recognized as links, which is better than not recognizing some links.

Links for the tel, geo, rtsp and xmpp protocols will be recognized too, but links for less usual or less safe protocols like telnet and ftp will not be recognized. The regex to recognize links is already very complex and adding more protocols will make it only slower and possibly cause errors.

Note that original messages are shown exactly as they are, which means also that links are not automatically added.


(91) Can you add periodical synchronization to save battery power?

Synchronizing messages is an expensive proces because the local and remote messages need to be compared, so periodically synchronizing messages will not result in saving battery power, more likely the contrary.

See this FAQ about optimizing battery usage.


(92) Can you add spam filtering, verification of the DKIM signature and SPF authorization?

Spam filtering, verification of the DKIM signature and SPF authorization is a task of email servers, not of an email client. I server hanno generalmente più memoria e potenza di calcolo, quindi sono molto più adatti a quest'attività piuttosto che ai dispositivi alimentati a batteria. Also, you'll want spam filtered for all your email clients, possibly including web email, not just one email client. Moreover, email servers have access to information, like the IP address, etc of the connecting server, which an email client has no access to.

Spam filtering based on message headers might have been feasible, but unfortunately this technique is patented by Microsoft.

Of course you can report messages as spam with FairEmail, which will move the reported messages to the spam folder and train the spam filter of the provider, which is how it is supposed to work. This can be done automatically with filter rules too. Blocking the sender will create a filter rule to automatically move future messages of the same sender into the spam folder.

Note that you should not delete spam messages, also not from the spam folder, because the email server uses the messages in the spam folder to "learn" what spam messages are.

If you receive a lot of spam messages in your inbox, the best you can do is to contact the email provider to ask if spam filtering can be improved.

Also, FairEmail can show a small red warning flag when DKIM, SPF or DMARC authentication failed on the receiving server. You can enable/disable authentication verification in the display settings.

FairEmail can show a warning flag too if the domain name of the (reply) email address of the sender does not define an MX record pointing to an email server. This can be enabled in the receive settings. Be aware that this will slow down synchronization of messages significantly.

If legitimate messages are failing authentication, you should notify the sender because this will result in a high risk of messages ending up in the spam folder. Moreover, without proper authentication there is a risk the sender will be impersonated. The sender might use this tool to check authentication and other things.


(93) Can you allow installation/data storage on external storage media (sdcard)?

FairEmail uses services and alarms, provides widgets and listens for the boot completed event to be started on device start, so it is not possible to store the app on external storage media, like an sdcard. See also here.

Messages, attachments, etc stored on external storage media, like an sdcard, can be accessed by other apps and is therefore not safe. See here for the details.

When needed you can save (raw) messages via the three-dots menu just above the message text and save attachments by tapping on the floppy icon.

If you need to save on storage space, you can limit the number of days messages are being synchronized and kept for. You can change these settings by long pressing a folder in the folder list and selecting Edit properties.


(94) What does the red/orange stripe at the end of the header mean?

The red/orange stripe at the left side of the header means that the DKIM, SPF or DMARC authentication failed. See also this FAQ.


(95) Why are not all apps shown when selecting an attachment or image?

For privacy and security reasons FairEmail does not have permissions to directly access files, instead the Storage Access Framework, available and recommended since Android 4.4 KitKat (released in 2013), is used to select files.

If an app is listed depends on if the app implements a document provider. If the app is not listed, you might need to ask the developer of the app to add support for the Storage Access Framework.

Android Q will make it harder and maybe even impossible to directly access files, see here and here for more details.


(96) Where can I find the IMAP and SMTP settings?

The IMAP settings are part of the (custom) account settings and the SMTP settings are part of the identity settings.


(97) What is 'cleanup' ?

About each four hours FairEmail runs a cleanup job that:

  • Removes old message texts
  • Removes old attachment files
  • Removes old image files
  • Removes old local contacts
  • Removes old log entries

Note that the cleanup job will only run when the synchronize service is active.


(98) Why can I still pick contacts after revoking contacts permissions?

After revoking contacts permissions Android does not allow FairEmail access to your contacts anymore. However, picking contacts is delegated to and done by Android and not by FairEmail, so this will still be possible without contacts permissions.


(99) Can you add a rich text or markdown editor?

FairEmail provides common text formatting (bold, italic, underline, text size and color) via a toolbar that appears after selecting some text.

A Rich text or Markdown editor would not be used by many people on a small mobile device and, more important, Android doesn't support a rich text editor and most rich text editor open source projects are abandoned. See here for some more details about this.


(100) How can I synchronize Gmail categories?

You can synchronize Gmail categories by creating filters to label categorized messages:

  • Create a new filter via Gmail > Settings (wheel) > Filters and Blocked Addresses > Create a new filter
  • Enter a category search (see below) in the Has the words field and click Create filter
  • Check Apply the label and select a label and click Create filter

Possible categories:

categoria: social
categoria: aggiornamenti
categoria: forum
categoria: promozioni

Unfortunately, this is not possible for snoozed messages folder.

You can use Force sync in the three-dots menu of the unified inbox to let FairEmail synchronize the folder list again and you can long press the folders to enable synchronization.


(101) What does the blue/orange dot at the bottom of the conversations mean?

The dot shows the relative position of the conversation in the message list. The dot will be show orange when the conversation is the first or last in the message list, else it will be blue. The dot is meant as an aid when swiping left/right to go to the previous/next conversation.

The dot is disabled by default and can be enabled with the display settings Show relative conversation position with a dot.


(102) How can I enable auto rotation of images?

Images will automatically be rotated when automatic resizing of images is enabled in the settings (enabled by default). However, automatic rotating depends on the Exif information to be present and to be correct, which is not always the case. Particularly not when taking a photo with a camara app from FairEmail.

Note that only JPEG and PNG images can contain Exif information.


(104) What do I need to know about error reporting?

  • Error reports will help improve FairEmail
  • Error reporting is optional and opt-in
  • Error reporting can be enabled/disabled in the settings, section miscellaneous
  • Error reports will automatically be sent anonymously to Bugsnag
  • Bugsnag for Android is open source
  • See here about what data will be sent in case of errors
  • See here for the privacy policy of Bugsnag
  • Error reports will be sent to sessions.bugsnag.com:443 and notify.bugsnag.com:443

(105) How does the roam-like-at-home option work?

FairEmail will check if the country code of the SIM card and the country code of the network are in the EU roam-like-at-home countries and assumes no roaming if the country codes are equal and the advanced roam-like-at-home option is enabled.

So, you don't have to disable this option if you don't have an EU SIM or are not connected to an EU network.


(106) Which launchers can show a badge count with the number of unread messages?

Please see here for a list of launchers which can show the number of unread messages.

Note that the notification setting Show launcher icon with number of new messages needs to be enabled (default enabled).

Only new unread messages in folders set to show new message notifications will be counted, so messages marked unread again and messages in folders set to not show new message notification will not be counted.

Depending on what you want, the notification settings Let the number of new messages match the number of notifications needs to be enabled or disabled.

This feature depends on support of your launcher. FairEmail merely 'broadcasts' the number of unread messages using the ShortcutBadger library. If it doesn't work, this cannot be fixed by changes in FairEmail.

Some launchers display '1' for the monitoring notification, despite FairEmail explicitly requesting not to show a badge for this notification. This could be caused by a bug in the launcher app or in your Android version. Please double check if the notification dot is disabled for the receive (service) notification channel. You can go to the right notification channel settings via the notification settings of FairEmail. This might not be obvious, but you can tap on the channel name for more settings.

Nota che Tesla Unread non è più supportata.

FairEmail does send a new message count intent as well:

eu.faircode.email.NEW_MESSAGE_COUNT

The number of new, unread messages will be in an integer "count" parameter.


(107) How do I use colored stars?

You can set a colored star via the more message menu, via multiple selection (started by long pressing a message), by long pressing a star in a conversation or automatically by using rules.

You need to know that colored stars are not supported by the IMAP protocol and can therefore not be synchronized to an email server. This means that colored stars will not be visible in other email clients and will be lost on downloading messages again. However, the stars (without color) will be synchronized and will be visible in other email clients, when supported.

Some email clients use IMAP keywords for colors. However, not all servers support IMAP keywords and besides that there are no standard keywords for colors.


(108) Can you add permanently delete messages from any folder?

When you delete messages from a folder the messages will be moved to the trash folder, so you have a chance to restore the messages. You can permanently delete messages from the trash folder. Permanently delete messages from other folders would defeat the purpose of the trash folder, so this will not be added.


(109) Why is 'select account' available in official versions only?

Using select account to select and authorize Google accounts require special permission from Google for security and privacy reasons. This special permission can only be acquired for apps a developer manages and is responsible for. Third party builds, like the F-Droid builds, are managed by third parties and are the responsibility of these third parties. So, only these third parties can acquire the required permission from Google. Since these third parties do not actually support FairEmail, they are most likely not going to request the required permission.

You can solve this in two ways:

  • Switch to the official version of FairEmail, see here for the options
  • Use app specific passwords, see this FAQ

Using select account in third party builds is not possible in recent versions anymore. In older versions this was possible, but it will now result in the error UNREGISTERED_ON_API_CONSOLE.


(110) Why are (some) messages empty and/or attachments corrupt?

Empty messages and/or corrupt attachments are probably being caused by a bug in the server software. Older Microsoft Exchange software is known to cause this problem. Mostly you can workaround this by disabling Partial fetch in the advanced account settings:

Setup > Step 1 > Manage > Tap account > Tap advanced > Partial fetch > uncheck

After disabling this setting, you can use the message 'more' (three dots) menu to 'resync' empty messages. Alternatively, you can Delete local messages by long pressing the folder(s) in the folder list and synchronize all messages again.

Disabling Partial fetch will result in more memory usage.


(111) Is OAuth supported?

OAuth for Gmail is supported via the quick setup wizard. The Android account manager will be used to fetch and refresh OAuth tokens for selected on-device accounts. OAuth for non on-device accounts is not supported because Google requires a yearly security audit ($15,000 to $75,000) for this. You can read more about this here.

OAuth for Yandex and Yahoo is supported via the quick setup wizard.

OAuth for Office 365 accounts is supported, but Microsoft does not offer OAuth for Outlook, Live and Hotmail accounts (yet?).


(112) Which email provider do you recommend?

FairEmail is an email client only, so you need to bring your own email address.

There are plenty of email providers to choose from. Which email provider is best for you depends on your wishes/requirements. Please see the websites of Restore privacy or Privacy Tools for a list of privacy oriented email providers with advantages and disadvantages.

Some providers, like ProtonMail, Tutanota, use proprietary email protocols, which make it impossible to use third party email apps. Please see this FAQ for more information.

Using your own (custom) domain name, which is supported by most email providers, will make it easier to switch to another email provider.


(113) How does biometric authentication work?

If your device has a biometric sensor, for example a fingerprint sensor, you can enable/disable biometric authentication in the navigation (hamburger) menu of the setup screen. When enabled FairEmail will require biometric authentication after a period of inactivity or after the screen has been turned off while FairEmail was running. Activity is navigation within FairEmail, for example opening a conversation thread. The inactivity period duration can be configured in the miscellaneous settings. When biometric authentication is enabled new message notifications will not show any content and FairEmail won't be visible on the Android recents screen.

Biometric authentication is meant to prevent others from seeing your messages only. FairEmail relies on device encryption for data encryption, see also this FAQ.

Biometric authentication is a pro feature.


(114) Can you add an import for the settings of other email apps?

The format of the settings files of most other email apps is not documented, so this is difficult. Sometimes it is possible to reverse engineer the format, but as soon as the settings format changes things will break. Also, settings are often incompatible. For example, FairEmail has unlike most other email apps settings for the number of days to synchronize messages for and for the number of days to keep messages for, mainly to save on battery usage. Moreover, setting up an account/identity with the quick setup is simple, so it is not really worth the effort.


(115) Can you add email address chips?

Email address chips look nice, but cannot be edited, which is quite inconvenient when you made a typo in an email address.

Note that FairEmail will select the address only when long pressing an address, which makes it easy to delete an address.

Chips are not suitable for showing in a list and since the message header in a list should look similar to the message header of the message view it is not an option to use chips for viewing messages.

Reverted commit.


(116) How can I show images in messages from trusted senders by default?

You can show images in messages from trusted senders by default by enabled the display setting Automatically show images for known contacts.

Contacts in the Android contacts list are considered to be known and trusted, unless the contact is in the group / has the label 'Untrusted' (case insensitive).


(117) Can you help me restore my purchase?

Google manages all purchases, so as a developer I have little control over purchases. So, basically the only thing I can do, is give some advice:

  • Make sure you have an active, working internet connection
  • Make sure you are logged in with the right Google account and that there is nothing wrong with your Google account
  • Make sure you installed FairEmail via the right Google account if you configured multiple Google accounts on your device
  • Make sure the Play store app is up to date, please see here
  • Open the Play store app and wait at least a minute to give it time to synchronize with the Google servers
  • Open FairEmail and navigate to the pro features screen to let FairEmail check the purchases; sometimes it help to tap the buy button

You can also try to clear the cache of the Play store app via the Android apps settings. Restarting the device might be necessary to let the Play store recognize the purchase correctly.

Note that:

  • If you get ITEM_ALREADY_OWNED, the Play store app probably needs to be updated, please see here
  • Purchases are stored in the Google cloud and cannot get lost
  • There is no time limit on purchases, so they cannot expire
  • Google does not expose details (name, e-mail, etc) about buyers to developers
  • An app like FairEmail cannot select which Google account to use
  • It may take a while until the Play store app has synchronized a purchase to another device
  • Play Store purchases cannot be used without the Play Store, which is also not allowed by Play Store rules

If you cannot solve the problem with the purchase, you will have to contact Google about it.


(118) What does 'Remove tracking parameters' exactly?

Checking Remove tracking parameters will remove all UTM parameters from a link.


(119) Can you add colors to the unified inbox widget?

The widget is designed to look good on most home/launcher screens by making it monochrome and by using a half transparent background. This way the widget will nicely blend in, while still being properly readable.

Adding colors will cause problems with some backgrounds and will cause readability problems, which is why this won't be added.

Due to Android limitations it is not possible to dynamically set the opacity of the background and to have rounded corners at the same time.


(120) Why are new message notifications not removed on opening the app?

New message notifications will be removed on swiping notifications away or on marking the associated messages read. Opening the app will not remove new message notifications. This gives you a choice to leave new message notifications as a reminder that there are still unread messages.

On Android 7 Nougat and later new message notifications will be grouped. Tapping on the summary notification will open the unified inbox. The summary notification can be expanded to view individual new message notifications. Tapping on an individual new message notification will open the conversation the message it is part of. See this FAQ about when messages in a conversation will be auto expanded and marked read.


(121) How are messages grouped into a conversation?

By default FairEmail groups messages in conversations. This can be turned of in the display settings.

FairEmail groups messages based on the standard Message-ID, In-Reply-To and References headers. FairEmail does not group on other criteria, like the subject, because this could result in grouping unrelated messages and would be at the expense of increased battery usage.


(122) Why is the recipient name/email address show with a warning color?

The recipient name and/or email address in the addresses section will be shown in a warning color when the sender domain name and the domain name of the to address do not match. Mostly this indicates that the message was received via an account with another email address.


(123) What will happen when FairEmail cannot connect to an email server?

If FairEmail cannot connect to an email server to synchronize messages, for example if the internet connection is bad or a firewall or a VPN is blocking the connection, FairEmail will retry two times after waiting 4 and 8 seconds while keeping the device awake (=use battery power). If this fails, FairEmail will schedule an alarm to retry after 15, 30 and eventually every 60 minutes and let the device sleep (=no battery usage).

Note that Android doze mode does not allow to wake the device earlier than after 15 minutes.

Force sync in the three-dots menu of the unified inbox can be used to let FairEmail attempt to reconnect without waiting.

Sending messages will be retried on connectivity changes only (reconnecting to the same network or connecting to another network) to prevent the email server from blocking the connection permanently. You can pull down the outbox to retry manually.

Note that sending will not be retried in case of authentication problems and when the server rejected the message. In this case you can pull down the outbox to try again.


(124) Why do I get 'Message too large or too complex to display'?

The message Message too large or too complex to display will be shown if there are more than 100,000 characters or more than 500 links in a message. Reformatting and displaying such messages will take too long. You can try to use the original message view, powered by the browser, instead.


(125) What are the current experimental features?

Message classification (version 1.1438+)

Sei pregato di vedere questa FAQ per i dettagli.

Essendo una funzionalità sperimentale, il mio consiglio è di iniziare con una sola cartella.


(126) Le anteprime dei messaggi possono essere inviate al mio indossabile?

FairEmail recupera un messaggio in due passaggi:

  1. Fetch message headers
  2. Fetch message text and attachments

Direttamente dopo il primo passaggio saranno notificati i nuovi messaggi. Tuttavia, solo dopo il secondo il testo del messaggio sarà disponibile. FairEmail aggiorna le notifiche esistenti con un'anteprima del testo del messaggio, ma sfortunatamente le notifiche dell'indossabile non possono essere aggiornate.

Non essendoci garanzia che il testo di un messaggio sia sempre recuperato direttamente dopo l'intestazione del messaggio, non si può garantire che la notifica di un nuovo messaggio con un testo di anteprima sia sempre inviata a un indossabile.

Se pensi che sia abbastanza, puoi abilitare l'opzione di notifica Invia solo le notifiche con un'anteprima di messaggio agli indossabile e se non funziona, puoi provare ad abilitare l'opzione di notifica Mostra solo le notifiche con un testo di anteprima. Nota che questo si applica anche agli indossabili che non mostrano un testo di anteprima, anche quando l'app Android Wear dice che la notifica è stata inviata (collegata).

Se vuoi aver inviato il testo completo del messaggio al tuo indossabile, puoi abilitare l'opzione di notifica Anteprima del testo completo. Nota che alcuni indossabili sono noti per esser crashati con quest'opzione abilitata.

Se usi un indossabile di Samsung con l'app Galaxy Wearable (Samsung Gear), potresti dover abilitare le notifiche per FairEmail impostando Notifiche, App installate in futuro è disattivata in quest'app.


(127) Come posso correggere 'Argomenti HELO sintatticamente non validi?

L'errore ... Argomenti HELO sintatticamente non validi ... significa che il server SMTP ha rifiutato l'indirizzo IP locale o il nome dell'host. Potresti correggere quest'errore abilitando o disabilitando l'opzione di identità avanzata Usa l'indirizzo IP locale invece del nome dell'host.


(128) Come posso ripristinare le domande fatte, ad esempio per mostrare immagini=

Puoi ripristinare le domande fatte tramite il menu di panoramica a tre puntini nelle impostazioni varie.


(129) ProtonMail e Tutanota sono supportate?

ProtonMail usa un protocollo email proprietario e non supporta direttamente IMAP, quindi non puoi usare FairEmail per accedere ProtonMail.

Tutanota usa un protocollo email proprietario e non supporta IMAP, quindi non puoi usare FairEmail per accedere a Tutanota.


(130) Cosa significa il messaggio di errore ...?

Una serie di righe con testi arancioni o rossi con informazioni tecniche significa che la modalità di debug è stata abilitata nelle impostazioni miste.

L'avviso Nessun server trovato a ... significa che non è stato indicato alcun server email al nome di dominio indicato. Rispondere al messaggio potrebbe non essere possibile e potrebbe risultare in un errore. Questo potrebbe indicare un indirizzo email falsificato e/o spam.

L'errore ... ParseException ... significa che c'è un problema con un messaggio ricevuto, probabilmente causato da un bug nel software di invio. FairEmail lo risolverà nella maggior parte dei casi, quindi questo messaggio è prevalentemente considerabile come un avviso invece che un errore.

L'errore ...SendFailedException... significa che si è verificato un problema inviando un messaggio. L'errore includerà quasi sempre un motivo. Motivi comuni sono che il messaggio era troppo grande o che uno o più indirizzi del destinatario non erano validi.

L'avviso Messaggio troppo grande per la memoria disponibile significa che il messaggio era più grande di 10 MiB. Anche se il tuo dispositivo ha molto spazio di archiviazione, Android fornisce memoria operativa limitata alle app, il che limita la dimensione dei messaggi gestibili.

Sei pregato di vedere qui per altri messaggi di errore nella posta in uscita.


(131) Puoi modificare la direzione per scorrere al messaggio precedente/successivo?

Se leggi da sinistra a destra, scorrere a sinistra mostrerà il messaggio successivo. Allo stesso modo, se leggi da destra a sinistra, scorrere a destra mostrerà quello successivo.

Questo comportamento mi sembra molto naturale, anche perché somiglia a voltare le pagine.

Ad ogni modo, esiste un'impostazione di comportamento per invertire la direzione di scorrimento.


(132) Perché le notifiche dei nuovi messaggi sono silenziose?

Le notifiche sono silenziose di default su alcune versioni di MIUI. Sei pregato di vedere qui come puoi risolverlo.

Esiste un bug in alcune versioni di Android che causa che setOnlyAlertOnce silenzi le notifiche. Poiché FairEmail mostra le notifiche dei nuovi messaggi subito dopo averne recuperato le intestazioni e che FairEmail deve aggiornare le notifiche dei nuovi messaggi dopo il successivo recupero del testo del messaggio, questo non è correggibile o risolvibile da FairEmail.

Android potrebbe limitare il suono di notifica, il che può causare il silenziamento di alcune notifiche dei messaggi.


(133) Perché ActiveSync non è supportato?

Il protocollo ActiveSync di Microsoft Exchange è brevettato a può dunque non essere supportato. Per questo motivo non troverai molti altri client email, se presenti, che supportano ActiveSync.

Il protocollo dei Servizi Web di Microsoft Exchange è in fase di eliminazione.

Nota che la descrizione di FairEmail inizia con l'osservazione che i protocolli non standard, come i Servizi Web di Microsoft Exchange e ActiveSync di Microsoft non sono supportati.


(134) Puoi aggiungere l'eliminazione dei messaggi locali?

POP3

Nelle impostazioni del profilo (Configurazione, passaggio 1, Gestione, tocca profilo) puoi abilitare Lascia i messaggi eliminati sul server.

IMAP

Poiché il protocollo IMAP è destinato alla sincronizzazione in due modi, eliminare un messaggio dal dispositivo risulterebbe nel recupero del messaggio alla nuova sincronizzazione.

Tuttavia, FairEmail supporta i messaggi nascosti, tramite il menu a tre puntini nella barra di azione proprio sopra il testo del messaggio o selezionando messaggi multipli nell'elenco dei messaggi. Fondamentalmente questo equivale a "lascia sul server" del protocollo POP3 con il vantaggio di poter mostrare ancora i messaggi quando necessario.

Nota che è possibile impostare l'azione di scorrimento da sinistra a destra per nascondere un messaggio.


(135) Perché i messaggi cestinati e le bozze sono mostrate nelle conversazioni?

I messaggi individuali saranno raramente cestinati e prevalentemente si verifica per incidente. Mostrare i messaggi cestinati nelle conversazioni rende più facile ritrovarli.

Puoi eliminare un messaggio permanentemente usando elimina nel menu a tre puntini del messaggio, che rimuoverà il messaggio dalla conversazione. Nota che è irreversibile.

Similmente, le bozze sono mostrate nelle conversazioni per ritrovarle nel contesto a cui appartengono. Leggere i messaggi ricevuti è facile prima di continuare a scrivere la bozza in seguito.


(136) Come posso eliminare un profilo/identità/cartella?

L'eliminazione di un profilo/identità/cartella è un po' nascosta per prevenire gli incidenti.

  • Account: Setup > Step 1 > Manage > Tap account
  • Identity: Setup > Step 2 > Manage > Tap identity
  • Folder: Long press the folder in the folder list > Edit properties

Nel menu di trabocco a tre puntini in alto a destra esiste un elemento per eliminare il profilo/identità/cartella.


(137) Come posso ripristinare 'Non chiedermelo più'?

Puoi ripristinare tutte le domande impostate per non esser chieste più nelle impostazioni miste.


(138) Puoi aggiungere il calendario, la gestione dei contatti, la sincronizzazione?

Il calendario e la gestione dei contatti sono realizzabili da un'app separata specializzata. Nota che FairEmail è un'app email specializzata, non una suite da ufficio.

Inoltre, preferisco fare alcune cose molto bene, invece che molte solo a metà. Inoltre, dal punto di vista della sicurezza, non è una buona idea garantire molti permessi a un'app singola.

Si consiglia di usare l'eccellente app open source DAVx⁵ per sincronizzare/gestire i tuoi calendari/contatti.

Gran parte dei provider supportano l'esportazione dei tuoi contatti. Sei pregato di vedere qui come puoi importare i contatti se la sincronizzazione è impossibile.

Nota che FairEmail supporta la risposta agli inviti del calendario (una funzionalità pro) e l'aggiunta di inviti del calendario al tuo calendario personale.


(139) Come correggo 'Utente autenticato ma non connesso'?

Difatti questo errore specifico di Microsoft Exchange è un messaggio di errore scorretto causato da un bug nel vecchio software del server di Exchange.

L'errore Utente autenticato ma non connesso potrebbe verificarsi se:

  • Push messages are enabled for too many folders: see this FAQ for more information and a workaround
  • The account password was changed: changing it in FairEmail too should fix the problem
  • An alias email address is being used as username instead of the primary email address
  • An incorrect login scheme is being used for a shared mailbox: the right scheme is username@domain\SharedMailboxAlias

Gli alias della casella di posta elettronica condivisa saranno prevalentemente gli indirizzi di posta elettronica del profilo condiviso, come questo:

you@example.com\shared@example.com

Nota che dovrebbe essere un backslash e non uno slash.


(140) Perché il testo del messaggio contiene caratteri strani?

La visualizzazione di caratteri strani è quasi sempre causata dalla specificazione o meno di una codifica non valida del carattere inviata dal software. FairEmail presumerà che ISO 8859-1 quando nessun carattere è impostato o quando è stato specificato US-ASCII. Oltre al fatto che non c'è modo di determinare affidabilmente la crittografia corretta dei caratteri automaticamente, quindi non è correggibile da FairEmail. L'azione giusta è quella di lamentarsi con il mittente.


(141) Come posso correggere 'Una cartella di bozze è necessaria per inviare i messaggi'?

Per memorizzare i messaggi di bozza è necessaria una cartella delle bozze. In molti casi FairEmail selezionerà automaticamente le cartelle di bozze all'aggiunta di un profilo basato sugli attributi inviati dal server email. Tuttavia, alcuni server email non sono propriamente configurati e non inviano tali attributi. In questo caso FairEmail prova a identificare la cartella delle bozze per nome, ma questo potrebbe fallire se la cartella delle bozze ha un nome insolito o non è presente affatto.

Puoi risolvere questo problema selezionando manualmente la cartella delle bozze nelle impostazioni del profilo (Configurazione, passaggio 1, tocca profilo, in basso). Se non esiste alcuna cartella delle bozze, puoi crearne una toccando sul pulsante '+' nell'elenco delle cartelle del profilo (tocca il nome del profilo nel menu di navigazione).

Alcuni provider, come Gmail, consentono di abilitare/disabilitare IMAP per le cartelle singole. Quindi, se una cartella è invisibile, potresti dover abilitare l'IMAP per essa.

Collegamento rapido per Gmail: https://mail.google.com/mail/u/0/#settings/labels


(142) Come posso memorizzare i messaggi inviati nella posta in arrivo?

Generalmente, non è una buona idea memorizzare i messaggi inviati nella posta in arrivo perché difficile da annullare e potrebbe essere non compatibile con altri client di posta elettronica.

Detto ciò, FairEmail può gestire propriamente i messaggi inviati nella posta di arrivo. FairEmail contrassegnerà i messaggi in uscita con l'icona di quelli inviati, per esempio.

La soluzione migliore sarebbe abilitare la visualizzazione della cartella inviati nella posta in arrivo unica premendo a lungo sulla cartella inviati nell'elenco delle cartelle e abilitando Mostra nella posta in arrivo unificata. Così tutti i messaggi possono rimanere a dove appartengono, consentendo di vedere sia i messaggi in entrata che in uscita in un posto.

Se non è possibile, puoi creare una regola per spostare automaticamente i messaggi inviati in posta in arrivo o impostare un indirizzo CC/BCC predefinito nelle impostazioni di identità avanzata per inviarti una copia.


(143) Puoi aggiungere una cartella del cestino per i profili POP3?

POP3 è un protocollo molto limitato. Fondamentalmente solo i messaggi sono scaricabili ed eliminabili dalla posta in arrivo. Non si può nemmeno segnare un messaggio come letto.

Poiché POP3 non consente alcun accesso al cestino, non c'è modo di ripristinare i messaggi cestinati.

Nota che puoi nascondere i messaggi e cercare quelli nascosti, similmente alla cartella locale del cestino, senza suggerire che i messaggi cestinati siano ripristinati, mentre non è realmente possibile.

La versione 1.1082 ha aggiunto una cartella locale del cestino. Nota che cestinare un messaggio lo rimuoverà permanentemente dal server e che i messaggi cestinati non sono più ripristinabili al server.


(144) Come posso registrare le note vocali?

Per registrare le note vocali puoi premere quest'icona nella barra di azione in basso del compositore di messaggi:

Immagine esterna

Questo richiede un'app di registrazione audio compatibile installata. In particolare questo intento comune deve essere supportato.

Per esempio questo registratore audio è compatibile.

Le note vocali saranno allegate automaticamente.


(145) Come posso impostare un suono di notifica per un profilo, una cartella o un mittente?

Profilo:

  • Enable Separate notifications in the advanced account settings (Setup, step 1, Manage, tap account, tap Advanced)
  • Long press the account in the account list (Setup, step 1, Manage) and select Edit notification channel to change the notification sound

Cartella:

  • Long press the folder in the folder list and select Create notification channel
  • Long press the folder in the folder list and select Edit notification channel to change the notification sound

Mittente:

  • Open a message from the sender and expand it
  • Expand the addresses section by tapping on the down arrow
  • Tap on the bell icon to create or edit a notification channel and to change the notification sound

L'ordine di precedenza è: suono del mittente, suono della cartella, suono del profilo e suono predefinito.

Impostare un suono di notifica per un profilo, una cartella o un mittente richiede Android 8 Oreo o successiva ed è una funzionalità pro.


(146) Come posso correggere gli orari del messaggio non corretti?

Poiché la data/ora è opzionale e manipolabile dal mittente, FairEmail usa la data/ora di ricezione del server di default.

A volte la data/ora di ricezione del server non è corretta, principalmente perché i messaggi sono stati importati scorrettamente da un altro server e talvolta a causa di un bug nel server dell'email.

In questi rari casi, è possibile far usare a FairEmail la data o l'ora dall'intestazione Data (orario di invio) o <em x-id"3">Ricevuto come soluzione. Questo si può modificare nelle impostazioni avanzate del profilo: Configurazione, passaggio 1, Gestione, tocca profilo, tocca Avanzate.

Questo non cambierà l'ora dei messaggi già sincronizzati. Per risolverlo, premi a lungo sulle cartelle nell'elenco della cartella e seleziona Elimina i messaggi locali e Sincronizza ora.


(147) Cosa dovrei sapere sulle versioni di terze parti?

Potresti venire qui perché stai usando una build di terze parti di FairEmail.

Esiste il supporto solo sull'ultima versione del Play Store, l'ultima release di GitHub e la build di F-Droid, ma solo se il numero della versione della build di F-Droid è la stessa del numero di versione dell'ultima release di GitHub.

F-Droid si costruisce irregolarmente, il che può essere problematico quando c'è un aggiornamento importante. Dunque ti si consiglia di passare alla release di GitHub.

La versione di F-Droid è costruito dallo stesso codice sorgente, ma firmato differentemente. Questo significa che tutte le funzionalità sono disponibili anche nella versione di F-Droid, eccetto per usare la procedura guidata rapida di Gmail perché Google ha approvato (e consente) solo una firma dell'app. Per tutti gli altri provider email, l'accesso OAuth è disponibile solo nelle versioni del Play Store e le release di GitHub, così come i provider email permettono solo l'uso di OAuth per le build ufficiali.

Nota che dovrai disinstallare la build di F-Droid prima di poter installare una release di GitHub perché Android rifiuta di installare la stessa app con una firma differente per motivi di sicurezza.

Nota che la versione di GitHub controllerà automaticamente gli aggiornamenti. Quando desiderato, questo è disattivabile nelle impostazioni miste.

Sei pregato di vedere qui per tutte le opzioni di download.

Se hai un problema con la build di F-Droid, sei pregato di controllare che ci sia una versione più nuova di GitHub prima.


(148) Come posso usare un profilo di Apple iCloud?

Esiste un profilo integrato per Apple iCloud, ma se necessario puoi trovare le impostazioni giuste qui.

Quando usi l'autenticazione a due fattori potresti dover usare una password specifica dell'app.


(149) Come funziona il widget di conteggio dei messaggi non letti?

Il widget di conteggio dei messaggi non letti mostra il numero di messaggi non letti per tutti i profilo o per un profilo selezionato, ma solo per le cartelle per cui sono abilitate le notifiche del nuovo messaggio.

Toccare sulla notifica sincronizzerà tutte le cartelle per cui è abilitata la sincronizzazione e aprirà:

  • the start screen when all accounts were selected
  • a folder list when a specific account was selected and when new message notifications are enabled for multiple folders
  • a list of messages when a specific account was selected and when new message notifications are enabled for one folder

(150) Puoi aggiungere l'annullamento degli inviti del calendario?

Annullare gli inviti del calendario (rimuovere gli eventi del calendario) richiede permessi di scrittura del calendario, che risulteranno nella garanzia effettiva del permesso per leggere e scrivere tutti gli eventi del calendario di tutti i calendari.

Dato lo scopo di FairEmail, la privacy e la sicurezza, e dato che è facile rimuovere manualmente l'evento di un calendario, non è una buona idea richiedere questo permesso solo per questo motivo.

Inserire nuovi eventi del calendario può esser fatto senza permessi con intenti speciali. Sfortunatamente, non esiste alcun intento per eliminare gli eventi esistenti del calendario.


(151) Puoi aggiungere il backup/ripristino dei messaggi?

Un client email è inteso per leggere e scrivere i messaggi, non per il backup e ripristino dei messaggi. Nota che rompere o perdere il tuo dispositivo, significa perdere i tuoi messaggi!

Invece, il provider email/server è responsabile per i backup.

Se vuoi creare tu stesso un backup, potresti usare uno strumento come imapsync.

Se vuoi importare un file mbox a un profilo email esistente, puoi usare Thunderbird su un computer desktop e l'addon ImportExportTools.


(152) Come posso inserire un gruppo di contatto?

Puoi inserire gli indirizzi email di tutti i contatti in un gruppo di contatti tramite il menu a tre puntini del compositore di messaggi.

Puoi definire i gruppi di contatti con l'app dei contatti di Android, sei pregato di vedere qui per le istruzioni.


(153) Perché eliminare permanentemente il messaggio di Gmail non funziona?

Potresti dover cambiare le impostazioni IMAP di Gmail su un browser desktop per farlo funzionare:

  • When I mark a message in IMAP as deleted: Auto-Expunge off - Wait for the client to update the server.
  • When a message is marked as deleted and expunged from the last visible IMAP folder: Immediately delete the message forever

Nota che i messaggi archiviati sono eliminabili solo spostandoli prima alla cartella del cestino.

Qualche sfondo: Gmail sembra avere una vista aggiuntiva del messaggio per IMAP, che può essere differente dalla vista dei messaggi principale.


(154) Puoi aggiungere i favicon come foto di contatto?

~~ Oltre il fatto che un favicon potrebbe essere condiviso da molti indirizzi email con lo stesso nome del dominio~~ e dunque non correlato direttamente a un indirizzo email, i favicon sono utilizzabili per monitorarti.


(155) Cos'è un file winmail.dat?

Un file winmail.dat è inviato da un client di Outlook configurato in modo errato. Si tratta di un formato di file specifico di Microsoft (TNEF) contenente un messaggio e possibilmente allegati.

Puoi trovare alcune altre informazioni su questo file qui.

Puoi visualizzarlo per esempio con l'app Android Letter Opener.


(156) Come posso configurare un profilo Office 365?

Un profilo Office 365 può essere configurato tramite la procedura guidata rapida e selezionando Office 365 (OAuth)>.

Se la procedura guidata si conclude con AUTHENTICATE failed, IMAP e/o SMTP potrebbe essere disabilitato per il profilo. In questo caso dovresti chiedere all'amministratore di abilitare IMAP e SMTP. La procedura è documentata qui.

Se hai abilitato i predefiniti di sicurezza nella tua organizzazione, potresti dover abilitare il protocollo SMTP AUTH. Sei pregato di vedere qui come farlo.


(157) Come posso configurare un profilo Free.fr?

Siete pregati di vedere qui per le istruzioni.

SMTP è disattivato di default, sei pregato di vedere qui come attivarlo.

Siete pregati di vedere qui per una guida dettagliata.


(158) Che fotocamera / registratore audio consigli?

Per scattare foto e registrare audio è necessaria un'app fotocamera e una di registrazione audio. Le seguenti app sono registratori audio e fotocamere open source:

Per registrare le note vocali, etc, il registratore audio deve supportare MediaStore.Audio.Media.RECORD_SOUND_ACTION. Stranamente, gran parte dei registratori audio sembra non supportare quest'azione Android standard.


(159) Cosa sono gli elenchi di protezione del monitor di Disconnect?

Sei pregato di vedere qui per ulteriori informazioni sugli elenchi di protezione del monitor di Disconnect.

Dopo il download degli elenchi nelle impostazioni di privacy, gli possono opzionalmente essere usati:

  • to warn about tracking links on opening links
  • to recognize tracking images in messages

Le immagini di monitoraggio saranno disabilitati solo se l'opzione 'disabilita' principale corrispondente è abilitata.

Il monitoraggio delle immagini non sarà riconosciuto alla classificazione del dominio come 'Contenuto', vedi qui per ulteriori informazioni.

Questo comando è inviabile a FairEmail da un'app di automazione per aggiornare gli elenchi di protezione:

(adb shell) am startservice -a eu.faircode.email.DISCONNECT.ME

Aggiornare una volta a settimana sarà probabilmente abbastanza, sei pregato di vedere qui per le modifiche recenti agli elenchi.


(160) Puoi aggiungere l'eliminazione permanente dei messaggi senza conferma?

L'eliminazione permanente significa che i messaggi saranno persi irreversibilmente e per prevenire che si verifichi accidentalmente, questa deve essere sempre confermata. Anche con una conferma, alcune persone molto arrabbiate che hanno perso alcuni dei loro messaggi per colpa propria mi hanno contattato, un'esperienza alquanto spiacevole :-(

Avanzate: il flag di eliminazione di IMAP insieme al comando EXPUNGE non è supportabile perché sia i server email che non tutte le persone possono gestirlo, rischiando la perdita imprevista dei messaggi. Un fattore complicante è che non tutti i server email supportano UID EXPUNGE.


(161) Puoi aggiungere un'impostazione per cambiare il colore primario e secondario?*

Se potessi, aggiungere un'impostazione per selezionare colori primari e secondari subito, ma sfortunatamente i temi di Android sono fissi, vedi qui ad esempio, quindi è impossibile.


(162) IMAP NOTIFY è supportato?*

Sì, IMAP NOTIFY è stato supportato dalla versione 1.1413.

Il supporto di IMAP NOTIFY significa che le notifiche per i messaggi aggiunti, modificati o eliminati di tutte le cartelle iscritte saranno richieste e se una notifica è ricevuta per una cartella iscritta, quella sarà sincronizzata. La sincronizzazione per le cartelle iscritte può dunque essere disabilitata, salvando le connessioni della cartella al server email.

Importante: i messaggi push (=sempre sincronizzati) per la casella di posta in arrivo e la gestione dell'abbonamento (impostazioni di ricevimento) devono essere abilitati.

Importante: gran parte dei server email non lo supportano! Puoi controllare il registro tramite il menu di navigazione se un server email supporta la funzionalità NOTIFY.


(163) Cos'è la classificazione del messaggio?

This is an experimental feature

Message classification will attempt to automatically group emails into classes, based on their contents, using Bayesian statistics. In the context of FairEmail, a folder is a class.

You can enable message classification in the miscellaneous settings. This will enable learning mode only.

Each folder has an option to enable automatic message classification. When this is turned on, new messages in other folders which the classifier thinks belong to that folder will be automatically moved.

Classification should be considered as a best guess - it might be a wrong guess, or the classifier might not be confident enough to make any guess. If the classifier is unsure, it will simply leave an email where it is.

Classification will be done for new messages in the inbox, spam folder and user folders only. You can clear local messages (long press a folder in the folder list of an account) and synchronize the messages again to classify existing messages.

Moving a message on the device will reclassify the message. Moving a message from another email client will not result in reclassification because IMAP does not support 'moved' notifications.

Classification is optimized to use as little resources as possible, but will inevitably use some extra battery power.

You can delete all classification data by turning classification three times off.

Automatic message classification is a pro feature, except for the spam folder.


Ricevi supporto

FairEmail is supported on smartphones, tablets and ChromeOS only.

Only the latest Play store version and latest GitHub release are supported. The F-Droid build is supported only if the version number is the same as the version number of the latest GitHub release. This also means that downgrading is not supported.

There is no support on things that are not directly related to FairEmail.

There is no support on building and developing things by yourself.

Requested features should:

  • be useful to most people
  • not complicate the usage of FairEmail
  • fit within the philosophy of FairEmail (privacy oriented, security minded)
  • comply with common standards (IMAP, SMTP, etc)

Features not fulfilling these requirements will likely be rejected. This is also to keep maintenance and support in the long term feasible.

If you have a question, want to request a feature or report a bug, please use this form.

GitHub issues are disabled due to frequent misusage.


Copyright © 2018-2020 Marcel Bokhorst.