I have root permissions.... and we are using Sendmail (presently, on a Solaris m/c). A systemwide procmail (/etc/procmailrc) is just one way that we are looking at the solution because of the sudden growth of virus/worm infected mails...
not aware of other solutions....
Priyam. -=-=- ... " "A grad student in procrastination tends to stay in procastination unless an external force is applied to him" - Newton's First law of Garduation." -- www.phdcomics.com