Sendmail milters from SnertSoft
This is just a quick post to encourage people to try SnertSoft's excellent anti-spam milters. If you're running a spam-filtering gateway, you may want to try milter-ahead. It checks at the backend mail server if the user exists before accepting the message. Milter-sender is also very interesting, it checks for the existence of the sender's e-mail before accepting the message. Milter-link checks for URL in message bodies againsts URI blacklists. And this one is free! (most are). All the milters' descriptions are here . Anthony, the author, is very kind and offers good support. Have a look at his website . There are many other milters that may help you reduce the load on your spam-filtering system and reduce the number of spams that make it to your user's mailbox!