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Communication · Open source

K-9 Mail

Full-featured email client

Download

Opens the official F-Droid page

K-9 Mail screenshot 1K-9 Mail screenshot 2K-9 Mail screenshot 3K-9 Mail screenshot 4K-9 Mail screenshot 5K-9 Mail screenshot 6

About K-9 Mail

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.

What's new in 24.0

K-9 Mail version 24.0 New: - Signatures support HTML - Reply offers Reply or Reply All Changed: - Long account names fit in two lines Fixed: - Compose selection invisible in light theme - Status icons unreadable when selecting messages - Recipient expander failed to collapse after edit - Camera attachments could crash the app - Save All saved each attachment with same file content - HTML signatures could disappear after rotation - Edit as new used wrong identity for queued mail

How to install K-9 Mail

  1. Tap Download — the app's official page on F-Droid opens.
  2. Install it with the F-Droid app (recommended, for automatic updates), or use the download button on that page.
  3. If Android asks, allow the F-Droid app or your browser to install apps, then tap Install.
  4. Open K-9 Mail from your app drawer.

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