K- 9 Mail is an open source email client with search, IMAP push email , synchronization for multi- file , 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 developed community project. If you are interested in helping to make the best email client on Android even better, please join us !
For More Info Google Play