On Fri, Apr 09, 2004 at 10:54:47AM -0600, Doug Royer wrote: > > It seem to me to be SPF except in XML. What are the advantages > of Caller-ID over SPF? Caller-ID is the latest of the "visions" of Bill Gates. http://www.microsoft.com/presspass/press/2004/feb04/02-24RSAAntiSpamTechVisionPR.asp Hadmut