Premium
What's new in K-9 Mail 15.0
- Default sync interval changed to 15 minutes
- Use application icon in push notification messages
- 'Colorize contact pictures' default changed unexpectedly from true to false
- Displaying IMAP password in did not prompt for authentication
- Sync debug logger did not write any logs
About K-9 Mail 15.0
K-9 Mail is an open source email client that works with basically every email provider.
Premium
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 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 github.com/thunderbird/thunderbird-android
We're always happy to welcome new developers, designers, documenters, translators, bug triagers and friends.
Version:15.0
Uploaded:January 16, 2026 at 4:27PM UTC
File size:12.69 MB
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Uploaded:December 16, 2024 at 7:06PM UTC
File size:10.13 MB
Downloads:111
