Comment 3 for bug 588105

This has been enabled a while back now:

Trying 91.189.94.145...
Connected to mx.canonical.com.
Escape character is '^]'.
220 fiordland.canonical.com ESMTP Postfix (Ubuntu)
ehlo tpgi.com.au
250-fiordland.canonical.com
250-PIPELINING
250-SIZE 62914560
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
quit
221 2.0.0 Bye
Connection closed by foreign host.