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3.1/5 - 96.296 votes

ID: com.fsck.k9

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  • Version:

    Varies with device

  • Update on:

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The description of K-9 Mail

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


* 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.


If you're having trouble with K-9 Mail, ask for help in our support forum at

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
We're always happy to welcome new developers, designers, documenters, translators, bug triagers and friends.
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K-9 Mail Varies with device APK for Android Varies with device+

Version Varies with device for Android Varies with device+
Update on 2022-08-06
Installs 5.000.000++
File size 8.104.063 bytes
Permissions view permissions
What's new - Increased timeout when sending messages because some users have reported problems with sending large attachments
- Allow all URI schemes in HTML links
- Fixed display bug with search in general settings
- When composing messages don't hide Cc and Bcc fields if they contain incomplete email addresses

Versions history:

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