Exchange 2003 SP2 Anti-SPAM frameworkhttp://exchangeis.com/blogs/exchangeis/archive/2005/07/19/40.aspxA detailed post on the new Anti-SPAM framework being shipped with Exchange 2003 SP2 from the Exchange Server Team Blog "You Had Me at EHLO", see it hereenCommunityServer 2.1 SP2 (Build: 61129.2)