Mail apps which support Autocrypt

Last update: Dec 6th 2017

The following Autocrypt-enabled mail apps are available and/or under development:


DeltaChat is an Autocrypt-enabled chat client for Android that uses E-Mail for messaging, offering a modern “Messenger” interface. You can download it or install it via F-Droid today.

Enigmail (development version)

Enigmail is a plugin for Thunderbird. For years, it has been the first choice to use OpenPGP encryption with E-Mail. Enigmail aims to reach Autocrypt Level 1 compliance with the next major release scheduled for Q1/2018. You can test it via Nightly Build today.

K-9 Mail (development version)

K-9 Mail is for Android what Thunderbird is for Desktop PCs. It integrates Autocrypt by default in beta branches and aims to reach Autocrypt Level 1 compliance soon.

Mailpile (release candidate)

Mailpile is a new Mail app which runs on Windows, Linux and Mac. It offers a modern web interface and has Autocrypt support.