Micorsoft's Sender ID Authentication......?

Wasn't there a lot of turmoil within the IETF last year on sender authentication because Microsoft was trying to push it's own sender ID authetication mechasnisms as a draft standard? Or maybe I'm confused... Microsoft Adds Sender ID Anti-Spoofing Protocol To Exchange 2003 SP2 http://www.techweb.com/wire/security/164301084 - ferg -- "Fergie", a.k.a. Paul Ferguson Engineering Architecture for the Internet fergdawg@netzero.net or fergdawg@sbcglobal.net ferg's tech blog: http://fergdawg.blogspot.com/