* GMX: please check if [IMAP is enabled](https://support.gmx.com/pop-imap/toggle.html) ([German](https://hilfe.gmx.net/pop-imap/einschalten.html)). Reportedly, you need to do this on a desktop computer.
* GMX: with two factor authentication you'll need to use [an app password](https://support.gmx.com/security/2fa/application-specific-passwords.html) ([German](https://hilfe.gmx.net/sicherheit/2fa/anwendungsspezifisches-passwort.html)). Not that enabling two-factor authentication does not automatically enable IMAP.
* T-online.de: please make sure you use [an email password](https://www.telekom.de/hilfe/festnetz-internet-tv/e-mail/e-mail-adresse-passwoerter-und-sicherheit/passwort-fuer-e-mail-programme-einrichten) (German) and not your account password
* Ionos (1und1): please make sure you use [an email password](https://www.ionos.de/hilfe/e-mail/problemloesungen-mail-basicmail-business/passwort-fuer-e-mail-konto-bei-11-ionos-aendern/) (German) and not your account password
* Ionos (1und1): please make sure you use [an email password](https://www.ionos.de/hilfe/e-mail/problemloesungen-mail-basicmail-business/passwort-fuer-e-mail-konto-bei-ionos-aendern/) (German) and not your account password
* Yandex: please check if [IMAP is enabled](https://yandex.com/support/mail/mail-clients/others.html)
* Comcast/Xfinity: please check if [third party email access](https://www.xfinity.com/support/articles/third-party-email-access) is enabled
* Mailbox.org: with two factor authentication you'll need to use [an app password](https://kb.mailbox.org/en/private/security-and-privacy/application-passwords-for-external-programs/) ([German](https://kb.mailbox.org/de/privat/sicherheit-und-privatsphaere/applikationspasswoerter-fuer-externe-programme/))
<li>GMX: please check if <ahref="https://support.gmx.com/pop-imap/toggle.html">IMAP is enabled</a> (<ahref="https://hilfe.gmx.net/pop-imap/einschalten.html">German</a>). Reportedly, you need to do this on a desktop computer.</li>
<li>GMX: with two factor authentication you’ll need to use <ahref="https://support.gmx.com/security/2fa/application-specific-passwords.html">an app password</a> (<ahref="https://hilfe.gmx.net/sicherheit/2fa/anwendungsspezifisches-passwort.html">German</a>). Not that enabling two-factor authentication does not automatically enable IMAP.</li>
<li>T-online.de: please make sure you use <ahref="https://www.telekom.de/hilfe/festnetz-internet-tv/e-mail/e-mail-adresse-passwoerter-und-sicherheit/passwort-fuer-e-mail-programme-einrichten">an email password</a> (German) and not your account password</li>
<li>Ionos (1und1): please make sure you use <ahref="https://www.ionos.de/hilfe/e-mail/problemloesungen-mail-basicmail-business/passwort-fuer-e-mail-konto-bei-11-ionos-aendern/">an email password</a> (German) and not your account password</li>
<li>Ionos (1und1): please make sure you use <ahref="https://www.ionos.de/hilfe/e-mail/problemloesungen-mail-basicmail-business/passwort-fuer-e-mail-konto-bei-ionos-aendern/">an email password</a> (German) and not your account password</li>
<li>Yandex: please check if <ahref="https://yandex.com/support/mail/mail-clients/others.html">IMAP is enabled</a></li>
<li>Comcast/Xfinity: please check if <ahref="https://www.xfinity.com/support/articles/third-party-email-access">third party email access</a> is enabled</li>
<li>Mailbox.org: with two factor authentication you’ll need to use <ahref="https://kb.mailbox.org/en/private/security-and-privacy/application-passwords-for-external-programs/">an app password</a> (<ahref="https://kb.mailbox.org/de/privat/sicherheit-und-privatsphaere/applikationspasswoerter-fuer-externe-programme/">German</a>)</li>
M66B
7 days ago