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Travis Burtrum 54f9fd36a7 Set SNI hostname if we can for TLS connections 8 years ago
.tx Update Transifex client configuration 8 years ago
config Ignore Lint warning for OldTargetApi 8 years ago
docs Remove outdated docs 8 years ago
gradle Improve FindBugs Gradle task 8 years ago
images Work on new pgp header 8 years ago
k9mail Don't use StringReader in HtmlConverter as calls to read have unnecessary locking. 8 years ago
k9mail-library Set SNI hostname if we can for TLS connections 8 years ago
plugins PGP: Introduce key preference per account for OpenPGP APIv7 8 years ago
tools Use https to download SDK 8 years ago
.gitattributes Force gradlew (and other shell scripts) to use lf line endings. 8 years ago
.gitignore Remove old IntelliJ project files 9 years ago
.gitmodules Kill our use of submodules dead. They're too painful for new contributors 10 years ago
HTMLCLEANER_LICENSE Merge ashleywillis' changes in 12 years ago
NOTICE Initial commit - This source code should be EXACTLY what the current version of the 'Email' application in the android repo looks like as of this date. 15 years ago Update README 8 years ago
build.gradle Update Gradle Android plugin to 1.2.3 8 years ago
gradlew Add Gradle wrapper 10 years ago
gradlew.bat Add Gradle wrapper 10 years ago
proguard.cfg Remove ActionBarSherlock 9 years ago
settings.gradle Move JVM tests into main k9mail module 8 years ago

K-9 Mail

Build Status Join the chat

K-9 Mail is an open-source email client for Android.


K-9 Mail can be downloaded from a couple of sources:

You might also be interested in becoming a beta tester or an alpha tester to get an early look at new versions.

Release Notes

Check out the Release Notes to find out what changed in each version of K-9 Mail.

Need Help?

If the app is not behaving like it should, you might find these resources helpful:


Interested in helping to translate K-9 Mail? Contribute here:


Please fork this repository and contribute back using pull requests.

Any contributions, large or small, major features, bug fixes, unit/integration tests are welcomed and appreciated but will be thoroughly reviewed and discussed. Please make sure you read the Code Style Guidelines.


Aside from discussing changes in pull requests and issues we use the following communication services:


Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
See the License for the specific language governing permissions and
limitations under the License.


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