>> Very cool. I found out clamscan and avgfree scan the filesystem so I >> thought I should set it up, but if it's not necessary I won't bother. >> All of my mail users are on Gentoo so do I need to bother having >> clamav scan my incoming mail? > > > Well, they aren't going to get infected with anything, but ClamAV could > still keep the virus message (which is obviously unwanted) out of their > inbox. There are also some third-party signatures[1] for ClamAV that catch > scam/phishing mail.
There is info on Linux viruses here: http://en.wikipedia.org/wiki/Linux_malware I shouldn't be concerned about that? >> I just did some reading on postscreen but it doesn't sound like a >> greylister. Should I use postscreen in addition to postgrey, or are >> they substitutes for each other? >> > > Postscreen isn't a greylist daemon per se, but it has the same effect if you > enable the "deep protocol" tests. Once it gets past the initial greeting > (into the "deep" stages), postscreen can no longer hand off the session to a > real smtpd. So, even if the client passes all of the tests, postscreen will > send it a "4xx try again." That's essentially greylisting. Got it. Sounds like postscreen is the successor to postgrey. I will set that up ASAP. Thanks, Grant