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Welcome to the K-9 Mail wiki!

K-9 Mail is an open source email client focused on making it easy to chew through large volumes of email.

Information for K-9 Mail users

• Release Notes for modern versions are listed on GitHub. The ReleaseNotes page covers older versions
• The website now stores the user manual and other documentation

Need help using or setting up K-9?

• Support Forum
• Chat (Matrix)
• Chat (IRC)

Found a bug?

• Learn how to report it

Contributing to K-9 Mail

Pull requests, bug reports, and questions (via email or chat) are always welcome. If you feel like contributing financially, please make a donation to F-Droid, the repository of Free and Open Source Software (FOSS) for the Android platform.

• BuildingK9 describes how to build the project
• There's a user manual. If you know things, please contribute to it
• GitGuide describes how to set up and use Git and GitHub for K-9 (has some useful information even if you're familiar with GitHub)

If you're having trouble with K-9, have a look at LoggingErrors to learn how to help us help you.

Developers, join us on…

• Matrix: #k9mail:matrix.org
• IRC: #k9mail on Libera Chat