Tony, TH> come, but it wouldn't take much to convince people that moving to a new TH> mail system would either reduce spam, Please indicate some historical basis for moving an installed base of users on this kind of scale and for this kind of reason. TH> If the courts routinely granted judgments to TH> individuals of 100 $/euro for every received unsolicited message, people a transition plan for 100 million users that relies on an "if" concerning entirely new behaviors for a large number of independent judicial systems around the world is a rather fragile dependency, to say the least. (and, yes, I realize that that was just an example. so, please, go ahead and provide a scenario that is not equally fragile. i can't.) TH> would jump at the chance to run the new mail tool, and spam as we know TH> it would loose its economic viability. Making that work means absolute TH> traceability of the message origin. >> For this effort to be effective, I think it will have to be >> done in a way that is at odds with the traditional IETF thinking: >> >> 1) Compatibility with SMTP is not desirable why? >> 2) Some form of privacy is not desirable >> 3) To much scalability is not desirable scalability is not desirable? wow. please explain. d/ -- Dave Crocker <mailto:dcrocker@brandenburg.com> Brandenburg InternetWorking <http://www.brandenburg.com> Sunnyvale, CA USA <tel:+1.408.246.8253>, <fax:+1.866.358.5301>