Communication
(94,992 ratings)
  • Fixed bug in preview text extraction that could stop synchronization
  • When displaying text/plain parts the signature is de-emphasized
  • Sharing a message now includes subject, date, sender, and recipients
  • No longer use ISO-8859-1 encoding for headers

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 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 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: bit.ly/new-k9

See available downloads
There's a more recent version available below!
Download

This release may come in several variants. Consult our handy FAQ to see which download is right for you.

Variant
Arch
Version
DPI
5.720 APK
27020
October 7, 2020
noarch
Android 5.0+
nodpi
All Releases
September 21, 2021
September 17, 2021
September 9, 2021
August 30, 2021
August 22, 2021
August 18, 2021
August 12, 2021
August 4, 2021
July 30, 2021
July 24, 2021
Comments