Download K-9 Mail

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About K-9 Mail

K-9 Mail is an open source email client that works with basically every email provider.

Detail K-9 Mail

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)

Install the app "OpenKeychain: Easy PGP" to encrypt/decrypt your emails using OpenPGP.

Support

If you're having trouble with K-9 Mail, ask for help in our support forum at https://forum.k9mail.app

Want to help?

K-9 Mail is a community developed project. If you're interested in helping to improve the app, please join us! You can find our bug tracker, source code, and wiki at https://github.com/thunderbird/thunderbird-android

We're always happy to welcome new developers, designers, documenters, translators, bug triagers and friends.

What's New Version 6.804

- Added a workaround for a crash when the system is restarting the Push foreground service- Updated the app to target the Android 14 API- Updated translations