Somebody mentioned an interest in creating an SMTP filter earlier today. Check out http://msdn.microsoft.com/library/default.asp?url=/library/en-us/isa/isa fltsamp_7q7m.asp for info in the ISA Server SDK. HTH, Tom Thomas W Shinder www.isaserver.org/shinder ISA Server and Beyond: http://tinyurl.com/1jq1 Configuring ISA Server: http://tinyurl.com/1llp
