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

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

• Google Play
• F-Droid
• Github Releases
• Amazon Appstore for Android

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

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

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

• User Manual
• Frequently Asked Questions
• Support Forum/Mailing List
• Google+ Community

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

https://www.transifex.com/projects/p/k9mail/

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:

• IRC chat, #k-9 on the Freenode network
• Gitter
• Developer mailing list

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

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

CloudBees' FOSS program allows us to use their DEV@cloud service for free.