OnionMail Ver. 1.4.5.420B is Out: http://onionmail.info/download New VMAT Protocol (can use normal mail address without .onion).
New user subscription in TAILS, via onion.py wizard http://www.youtube.com/watch?v=28QNbiRJNp4
Update your server.
To enable the VMAT protocol in your server Add these lines to the servers.conf configuration file (in your EXIT server section)
VMATAllow { * }
Without this policy the server recjects all VMAT subscription by default.