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Exchange Server 2003 SP2 and the Sender ID Framework

Exchange SP2 SIDF

As you know, a new CTP (Community Technology Preview… call it a Beta) of the next Service Pack (SP2) is available for Microsoft Exchange Server 2003. 

My friend and colleague Keith “KingCobra” Combs has posted an excellent description of one of the key new anti-spam features, the Sender ID Framework

Give it a read!  He includes some very useful hints and links to tools for troubleshooting as well.