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
In part the problem was 'legal' (versus technical)...the folks involved in the working list from MS...technical people, offered ongoing reassurance that the as-yet-unpublished patent apps were benign, that it would always be available free, etc. etc... but once the patent apps were published, they were far over-reaching, included SPF aspects, etc.. (I have _zero_ doubt that the legal/corporate folks upstairs at MS were responsible for that, and that the good folks from MS on the working list were as surprised as were the rest of us).
Anne P. Mitchell, Esq.
Institute for Spam and Internet Public Policy
IADB Email Sender Accreditation Database: How the 'Good Senders' List Works - Get to the Inbox by ISIPP SuretyMail
Professor of Law, Lincoln Law School of SJ
Advisor, Kinar Secure Email
Advisor, Relemail Email Privacy Certification
Advisor, Virus Bulletin
Asilomar Microcomputer Workshop Planning Committee