Signing and sending the previous message reminded me. I think a real swell answer to the spam problem could involve some kind of public/private key signature dealy-o. Something like a per domain key. I.E. gmail would sign a portion of the email header with it's private key and anyone with the corresponding public key (any smart smtp server) would know it was validly from [EMAIL PROTECTED] This has the added benefit of placing the responsibility of keeping you domain spam-tight sqaurely on the domain itself. Don't want your key blacklisted? Don't let spammers spam. The only caveat is just that, black lists or revoked keys, the bane of public/private cryptography. But on the upside, I imagine it could fit very nicely into standard smtp, no newfangled protocol for everyone to adopt. The major domains could all get on very quickly. And any joe domainer who cared could also get on the boat. Eventually the slow ones can be phased out. (Start rejecting outright any unsigned mails.) Until then an unsigned message can simply be weighted toward spamity, or a signed message weighted away from spamity, or both. I'm sure there's people bright enough out there to make this work. If not you'll just have to wait for me to graduate. (Don't hold your breath :/)
Von Fugal
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