Does NAV 2000 actually scan what's coming in via SMTP? I would have though you'd need something more specialized listening in on your SMTP port (along with LSMTP? then forwarding to LSMTP?) How does having anti-virus software listen to all SMTP traffic affect LSMTP's performance (after all, we chose LSMTP for it's high performance)? = Marc Louis Stober = Systems Manager = The United Synagogue of Conservative Judaism = [log in to unmask] = http://www.uscj.org > At CharityChannel, we run LISTSERV and LSMTP under Windows NT 4 > Server. We > use Norton AntiVirus 2000, with settings to: > > * automatically scan all incoming files for viruses; > * automatically check for new virus definitions every hour; and > * automatically scan our server for viruses every 24 hours. >