If you are running your mail server only for yourself feel free to ban
.exe's and .zip's. If you are providing mail services to others I STRONGLY
suggest you consult an attorney that specializes in Internet related
matters. There have been a couple of recent cases where ISP's have been
held
How does AVAFTERJM help? Unless you had JunkMail delete the message it
would seem that it has to be scanned for viruses either way.
I don't know which uses more processor time... Virus or SPAM scanning. If
you use a bunch of tests it probably takes more horsepower to scan for SPAM
than