Onion Mail is part of Onion Search Engine (https://onionsearchengine.com), we have the goal of protecting people's privacy and provide tools that help people navigate safely and without being tracked. We believe in an uncensored internet and we believe that everyone has the right to privacy without interference. For this reason we have created Onion Mail, your email encrypted with PGP and your data does not reside on a single server but is distributed over the network. You can use Tor for browse the Hidden website and you can encrypt all your emails with your PGP key.
Onion Mail is based on the wildduck open source project.