Pegasus Mail & Mercury

I think it's worth mentioning that Mercury doesn't include the reverse-DNS of the connecting host in the Received: lines it generates, only the client greeting.  That's often forged, so depending upon it is inadvisable, although it might work (as might just checking for the presence or absence of DKIM-Signature: lines on mails you know ought ...

There is absolutely no necessity to get complicated. The more complicated the solution, the more difficult it is to implement. And few of the ''anti-spam technologies'' tackle the problem where it occurs, which is actually where it must be tackled. Once it gets past the SMTP layer, i.e. at the mail clients, all the ''anti-spam technologies'' are ...

Richard:Is it possible to see the list of short-term blacklisted sites?Can offending sites be permenantly blacklisted? If you check the MercuryS log files, you can see entires where an IP address has been added tot he short term blacklist. For example, I have a DNSBL check titled ''Spamhaus Zen - Reject''. When a transaction arrives that returns ...