monocles mail is a fork of the K-9 mail. It comes with all the known functions of K-9 mail and will get some updates in the UI to improve usability. Features: * supports multiple accounts * Unified Inbox * privacy-friendly (no tracking whatsoever, only connects to your email provider) * automatic background synchronization or push notifications * local and server-side search * OpenPGP email encryption (PGP/MIME)