K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures, BCC-self, PGP/MIME & more!
K-9 supports IMAP, POP3 and Exchange 2003/2007 (with WebDAV).
Install the app “OpenKeychain: Easy PGP” to encrypt/decrypt your emails using OpenPGP.
K-9 is a community developed project. If you’re interested in helping to make the most popular open source email client on Android even better, please join us! You can find our bug tracker, source code, mailing list and wiki at https://github.com/k9mail/k-9
We’re always happy to welcome new developers, designers, documenters, bug triagers and friends.
If you’re having trouble with K-9, please report a bug at https://github.com/k9mail/k-9 rather than just leaving a one-star review. We don’t mind you telling the world that you’re frustrated, but if you use our bug tracker, we have a better chance of fixing whatever’s giving you a hard time.
You can find K-9’s release notes at:
(People sometimes call K-9: K9, K9 Mail, K-9 Email, K9 Email, K9 E-Mail, k9mail or k9email.)
August 14, 2022
- Fixed a bug that could lead to two message lists being displayed on top of each other
- Avoid a crash when trying to create new message notifications but the notification sound couldn't be accessed
- Fixed a bug where multi-select mode was exited early in some cases
- Don't require re-authorization when getting an OAuth token fails due to a temporary error
- Updated translations