Postfix

Status: we've enabled authentication, but can't connect to SMTP on port 25 with say an e-mail client to test the real way, and have a new error for testing on the server: 538 5.7.0 Encryption required for requested authentication mechanism

The main resource:
http://workaround.org/articles/ispmail-etch/#step-9-authenticated-smtp

backup resource:

In Agaric's case for this server, mail for the domain was in fact being handled elsewhere. The problem was the server thought it should do it, so it caught all the mail with its domain name and squashed it, saying "there's no user by this name."

In short Agaric needs a robust e-mail solution for ourselves and our clients.

Debian Administration :: Handling mail for multiple virtual ...
http://www.debian-administration.org/articles/243

The immediately needed fix:

http://www.debuntu.org/2006/05/05/45-how-to-postfix-and-virtual-hosts


cd /etc
ben@server:/etc$ sudo vi postfix/virtual_alias_maps