Paul, >> Ok, I'm dense. How do I meaningfully consent to >> somebody for which I have no a priori information >> about their consentworthiness? PV> you can't. that's why you're getting spammed. What makes this such an "interesting" problem is the critical need for spontaneous (unsolicited and uncoordinated) communication is many human activities. Eliminating the ability to have new people show up without an "appointment" will cripple some activities. d/ -- Dave Crocker <dcrocker-at-brandenburg-dot-com> Brandenburg InternetWorking <www.brandenburg.com> Sunnyvale, CA USA <tel:+1.408.246.8253>