[DLSLUG-Discuss] spam control

[james at jdfogg.com]

> I have configured my mail server to reject connections from any outside
> mail server with a defective HELO command or reverse IP address that
> does not "round-trip" (postfix: reject_unknown_client).


Are you also using spamassassin, blacklists or any of the heuristic
filters? I find a blended approach to be very effective, especially when
used with a heuristic filter that is linked a spam folder in the users
MUA.