K-9 Mail is an open source email client with multiple account support, search, IMAP instant messaging, multi-folder synchronization, tracking, filing, signatures, BCC-self, PGP / MIME etc.
K-9 is a project developed by the community. If you want to make the most popular open source email client on Android, join us!
For More Info Google Play
Supported Android
{4.0.3 and UP}
Supported Android Version:-
Ice Cream Sandwich (4.0.3–4.0.4)- Jelly Bean (4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) or UP
Download K 9 Mail 5.301 APK For Android