On Wed, 17 Mar 2004 12:26:13 -0500 (EST), Dean Anderson wrote: >However, I think there are things that show some promise that might be >harder to adapt to, such as automated text summarization, bayesian >filters, mail agents that filter on the user's interest in the message >subject, and such. How about "You are a polluter, your connectivity has terminated, you are on a customer blacklist, and you will never get connectivity from us again"? Spammers would have a little trouble adapting to that. >I think these are worth pursuing, but these are not >subjects for the IETF. IETF's documenting that this is the behavior expected of any firm offering connectivity is certainly within the IETF's purview. And it would have a dramatic effect. (Partly because of norms; partly, at least in the U.S., because it would expose pollution-enabling ISPs to heavy-duty legal liabilities. Stockholders would get after their boards.) Jeffrey Race