Current Version: 4.316 Requires Android: Varies with device Category: Communication Size: Varies with device What’s in this version: K-9 Mail 4.200 is a major new release featuring 9 months of new features, bug fixes, performance improvements and other awesomeness. As this is a “.0″ release, we’re especially interested to hear about any new issues you encounter in this version. You can report them at http://code.google.com/p/k9mail/issues/list We’re hard at work on a Jellybean style UI, message threading, better autoconfig and other great stuff for K-9 5.0 https://github.com/k9mail/k-9/wiki/ReleaseNotes has full details
Details: K-9 is the best email client for Android. It’s incredibly powerful and 100% free
K-9 Mail is an open-source e-mail client with search, IMAP push email, multi-folder sync, flagging, filing, signatures, bcc-self, PGP, mail on SD & more!
K-9 supports IMAP, POP3 and Exchange 2003/2007 (with WebDAV).
K-9 is a community developed project. If you’re interested in helping to make the best email client on Android even better, please join us! You can find our bugtracker, source code, mailing list and wiki at http://k9mail.googlecode.com. 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 http://k9mail.googlecode.com 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.