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K-9 Mail is a 100% free and open source email client for Android.

Introduce about K-9 Mail App

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 andย Exchangeย 2003/2007 (with WebDAV).

Install the app โ€œOpenKeychain: Easy PGPโ€ to encrypt/decrypt your emails using OpenPGP.

K-9 is a community developed project. If youโ€™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
Weโ€™re always happy to welcome new developers, designers, documenters, bug triagers and friends.

If youโ€™re having trouble with K-9, please report a bug at rather than just leaving a one-star review. We donโ€™t mind you telling the world that youโ€™re frustrated, but if you use our bug tracker, we have a better chance of fixing whateverโ€™s giving you a hard time.

You can find K-9โ€™s release notes at:

(People sometimes call K-9: K9, K9 Mail, K-9 Email, K9 Email, K9 E-Mail, k9mail or k9email.)

Download K-9 Mail MOD APK


Fixed the check for missing outgoing server credentials, againโ€ฆ hopefullyย 

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