<p><strong>ProtonMail</strong> uses a proprietary email protocol and <ahref="https://protonmail.com/support/knowledge-base/imap-smtp-and-pop3-setup/">does not directly support IMAP</a>, so you cannot use FairEmail or any other Android email client to access ProtonMail.</p>
<p><strong>ProtonMail</strong> uses a proprietary email protocol and <ahref="https://protonmail.com/support/knowledge-base/imap-smtp-and-pop3-setup/">does not directly support IMAP</a>, so you cannot use FairEmail or any other Android email client to access ProtonMail. Unfortunately, Proton has no plans to add <ahref="https://github.com/ProtonMail/proton-bridge/issues/427">a mail bridge for Android</a>.</p>
<p><strong>Tutanota</strong> uses a proprietary email protocol and <ahref="https://tutanota.com/faq/#imap">does not support IMAP</a>, so you cannot use FairEmail or any other email client to access Tutanota.</p>
<p><strong>Tutanota</strong> uses a proprietary email protocol and <ahref="https://tutanota.com/faq/#imap">does not support IMAP</a>, so you cannot use FairEmail or any other email client to access Tutanota.</p>
<p><strong>Cyberfear</strong> does not support IMAP, so you’ll need to manually configure a POP3 account.</p>
<p><strong>Cyberfear</strong> does not support IMAP, so you’ll need to manually configure a POP3 account.</p>
<p><strong>Skiff</strong> uses a proprietary email protocol and <ahref="https://www.skiff.com/blog/tutanota-alternatives-comparison">does not support IMAP</a> so you cannot use FairEmail or any other email client to access Skiff.</p>
<p><strong>Skiff</strong> uses a proprietary email protocol and <ahref="https://www.skiff.com/blog/tutanota-alternatives-comparison">does not support IMAP</a> so you cannot use FairEmail or any other email client to access Skiff.</p>