Kenneth Porter said: > There's been some implementations using MIMEDefang that are reportedly > quite effective. Check the MD list archives for the code to include in > your > MD filter. Or buy Can-It, the commercial version of MD, which includes > greylisting and a bunch of other stuff. > I use greylisting in MD, see my comments on it in the archive. It requires a little configuration. Works well, you can also implement granular greylisting based on the spam score, or helo/relay checks. The commercial product can-it is easier to setup and fuller featured then the open source version. It also does greylisting.
I believe postfix,exim4 also support greylisting. -- Luke Computer Science System Administrator Security Administrator,College of Engineering Montana State University-Bozeman,Montana
