GFi's MailSecurity - has the advantage of using up to four different AV engines, which gives me a warm glow fo confidence that *one* of them will stop a virus. But I would agree that if volume is becoming too much, then whatever product you usse should be placed on its own box in front of the Excahnge. -----Original Message----- From: Bruce Jarrett-Norton [mailto:bjarrett@xxxxxxxxxxxxxx] Sent: Tue 9/14/2004 2:19 PM To: thin@xxxxxxxxxxxxx Cc: Subject: [THIN] Re: OT: Exchange AV scanner of choice