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Godmar Back wrote: | may I chime in that discussion, focusing on one point: you mentioned | you've found that most people are repelled by the TMDA idea. Is this | anecdotal evidence, or did you do an actual study or do you know of | any studies other people might have done?
My anecdotes:
1. People sometimes spam forged to appear from my domain, and they write back with a "screw you" email (and I'm talking about literally one line emails that say little more than "screw you"). When I audited my pending queue some time ago, I found three such emails. Two of them had been confirmed. Imagine folks whose investment is just a one line message, and a challenge that calls into question whether it's even addressed to the right person. Two out of three replied.
2. I've seen messages blocked and stay blocked because the return-path on the message is bad.
| In short, in such a scheme that would be no need for whitelisting or | blacklisting whatsoever; the system would be entirely token-based: if | you hold a token from me (a keyword address) you can send me email. | If all you have is my public email address, you have to get a token | first. Whenever I want someone to send me mail (my family, my | students, my boss, a mailing list) I issue a keyword address for that | particular purpose. Of course, such a system would require extensive | database/mail client support to make sure I can issue (and if | necessary, revoke) keyword addresses quickly and to ensure that I can | quickly sort my email based on the likely sender.
I don't see why a database is necessary unless you're planning to revoke a lot of addresses. What you're describing is already possible with TMDA, and it doesn't need to store a list of issued tokens. The only odd thing about it is to issue a challenge that contains a keyword address.
Kyle. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3-nr1 (Windows XP) Comment: Using GnuPG with Thunderbird - http://enigmail.mozdev.org
iD8DBQFBSe2JzS7R/flctWYRAsMGAKCSansSEdezTrebdIuZ3lHb3ZbwqgCdExqM 5bCY2N83AjpB8lOT8MjL6+Q= =VzbC -----END PGP SIGNATURE----- _____________________________________________ tmda-users mailing list ([EMAIL PROTECTED]) http://tmda.net/lists/listinfo/tmda-users
