Exchange 2007 Anti Spam Migration Tool
Microsoft has released an tool to migrate Exchange 200 anti spam settings.
You can get it here: http://www.microsoft.com/downloads/details.aspx?familyid=805eaf35-ebb3-43d4-83e4-a4ccc7d88c10&displaylang=en&tm
Technorati : Anti spam, Exchange 2007, Migration Tool