OS CentOS 6.2 (Final)
Panel version 11.5.30 Update #11, last updated at Aug 12, 2013 06:14 PM
Still see the issues
Aug 12 18:15:44 xxxxx postfix/smtp[4760]: B9054154D1A3: to=<
[email protected]>, relay=none, delay=0.6, delays=0.54/0.06/0/0, dsn=4.4.3, status=deferred (Host or domain name...