K-9 Mail Thunderbird Beta for Testers (f-droid version)

New in version 14.0
- 'Auto-fit messages' setting did not persist
- Edge-to-edge move/copy regressed with 3-button nav
- Swiping message left/right could abort prematurely
- Outlook SMTP failed authentication for some accounts
- Gmail folder prefixes appeared after refreshing folder list
- Quiet time preferences were ignored
- Thunderbird could crash after deleting an account

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

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

.

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.

License:

Apache License 2.0

Website

Issue Tracker

Translation

Source Code

Changelog

Build Metadata

Reproducibility Status