K-9, the robot dog

Advanced Email for Android

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

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Blog Posts

OpenPGP Considerations, Part I: Signed-Only Mails

Background on the decisions taken in our stab at OpenPGP.

K-9 Developer Meet-up

Developer meet-up at c-base.


K-9 Mail has a lot of features and configuration options. Unfortunately, not all of them are self-explanatory, so from time to time you might need to look something up.

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Whether you're looking for help or you want to discuss the latest features, the K-9 community has got you covered.

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K-9 Mail is a community developed project. If you're interested in helping to make the best email client on Android even better, please join us!

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