K-9 Mail is an open source mail client that supports multiple accounts, search, IMAP Push email, multi-folder sync, reporting, submission, signatures, BCC-auto, PGP / MIME and more!
K-9 is an advanced community project. If you want to help make the most popular open source email client on Android even better, join us!

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) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1)

Download K 9 Mail 5.600 APK for Android

K-9 Mail-5.600.apk