OnionMail (ver 1.4.4.281B) implements the new protocol VMAT: Virtual Mail Address Translator Your address 123456789abcdef.onion is translated to a normal internet mail address (mail@example.org) into the tor network.

Update your OnionMail server: http://onionmail.info/download/ (Remeber to clear your maildir/server/feed directory before update).

Source code: https://github.com/onionmail/onionmail

OnionMail Paper: http://onionmail.info/paper.html

Get your OnionMail here: http://louhlbgyupgktsw7.onion/reqmail.html (Require TOR).

OnionMail Project http://onionmail.info