diff --git a/FAQ.md b/FAQ.md
index 29682fb0a7..2f224853f3 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -43,6 +43,7 @@ For authorizing:
 * Free.fr, see [question 157](#user-content-faq157)
 * Posteo: please check if [additional email account protection](https://posteo.de/en/help/activating-additional-email-account-protection) isn't enabled
 * Web.de: please check if [IMAP is enabled](https://support.gmx.com/pop-imap/toggle.html) ([German](https://hilfe.gmx.net/pop-imap/einschalten.html))
+* Ionos (1und1): please make sure you use [the email password](https://www.ionos.de/hilfe/e-mail/problemloesungen-mail-basicmail-business/passwort-fuer-e-mail-konto-bei-11-ionos-aendern/) and not your account password
 
 Please see [here](#user-content-faq22) for common error messages and solutions.
 
diff --git a/app/src/main/res/xml/providers.xml b/app/src/main/res/xml/providers.xml
index 12094693a0..0705871092 100644
--- a/app/src/main/res/xml/providers.xml
+++ b/app/src/main/res/xml/providers.xml
@@ -430,6 +430,7 @@
     <provider
         name="Ionos (1und1)"
         appPassword="true"
+        documentation="Für Ionos müssen Sie ein App-Passwort anstelle Ihres normalen Kontopassworts verwenden, &lt;a href=&quot;https://www.ionos.de/hilfe/e-mail/problemloesungen-mail-basicmail-business/passwort-fuer-e-mail-konto-bei-11-ionos-aendern/&quot;&gt;siehe hier&lt;/a&gt;."
         domain="ionos\\.de,ionos\\.com,online\\.de"
         keepalive="12"
         link="https://www.ionos.de/hilfe/e-mail/allgemeine-themen/serverinformationen-fuer-imap-pop-und-smtp/">
@@ -444,6 +445,8 @@
     </provider>
     <provider
         name="Ionos.com"
+        appPassword="true"
+        documentation="For Ionos you need to use an app password instead of your normal account password, please  &lt;a href=&quot;https://www.ionos.com/help/email/troubleshooting-mail-basicmail-business/changing-a-11-ionos-email-account-password/&quot;&gt;see here&lt;/a&gt;."
         keepalive="12"
         link="https://www.ionos.com/help/email/general-topics/settings-for-your-email-programs-imap-pop3/">
         <imap