6.44 2014-10-13 Generic regex now matches against the reverse dns PTR value
6.43 2014-07-18 Allow broken SRS0+ rather than the correct SRS0= tag.
6.42 2014-06-28 Never add auto-whitelist entries for outgoing mail from localhost.
6.41 2014-03-21 Unique ip connection limits only apply to authenticated connections.