SMTP Authentication has been added to the mail server now.

I used the existing setup but added Cyrus SASL. It seemed to be bitchy at the start, but I realized there were default RPMs installed and I just needed the DEVEL package and to create a few Symbolic links to expected folders.

Now... may I present:

Connected to mail.bashtard.com.
Escape character is '^]'.
220 sledgehammer.bashtard.com ESMTP Postfix v6.9
ehlo bashtard.com
250-sledgehammer.bashtard.com
250-PIPELINING
250-SIZE 51200000
250-ETRN
250-AUTH DIGEST-MD5 CRAM-MD5 PLAIN LOGIN
250-AUTH=DIGEST-MD5 CRAM-MD5 PLAIN LOGIN
250 8BITMIME