K-9 Mail

What's New

K-9 Mail version 20.0

New:
- Enable easily discoverable way to configure and use Thundermail

Changed:
- Only show message notification config actions above the cutoff

Fixed:
- Account drawer stayed open after account switch despite auto-select Inbox setting
- Imported settings could incorrectly show 'XX' avatar monogram
- Printed emails omitted message headers and used minimal margins
- Compose button did not work in tablet split-screen message view

About this app

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 at https://forum.k9mail.app


Want to help?

K-9 Mail is now part of the Thunderbird family and remains 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.

How to Download K-9 Mail APK

1. Enter the package name com.fsck.k9 on the APK Downloader homepage.
2. Select your device architecture (ARM64 recommended for modern devices).
3. Click Download to get the merged APK file.
4. Transfer and install the APK on your Android device.
5. Keep Updated: Visit APK Downloader regularly to search for and download the latest secure versions of your favorite apps.