Descriptions : K-9 Mail is an open source email client with multi-account support, search, IMAP push email, multiple folder synchronization, tagging, filing, signatures, BCC + self, PGP / MIME and more ! K + 9 is a project developed by the community. If you're interested in making the most popular open source email client for Android even better, join in!
Required Android Versions : 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]