> > The only question left is if there are any *technical* components to > > doing so > > (which would be the IETF's preserve), and, if so, what they are. > > It surprises me that so many people are so eager to declare defeat > before even trying the protocol route. (With current protocols defeat > is pretty much inevitable.) There is an obvious issue with the protocol route: from a protocol point of view, it is quite hard to distinguish unsolicited commercial e-mail, which we would label spam, and unsolicited acceptable e-mail, which could be more than welcome.