What I can see it have some similarities with the challenge-responce type of
systems under discussion, though technically simpler, more like pgp. As a
e-mail operator though, I would not chose this system today, due to the lack
of global key handling problems, I would then prefer client based
whitelists, that are similar in function. And you do not solve the problem
of "first contact" what I can see. And what happens if a spammer succed to
register himself?
What happens, would be like in a mailsystem a previous employer bought, when
you sent mail out, you either had to receive a mail from that person or
phoned the central operations, to enter the address into the mail-out table.
And every-one got raving mad, since it worked against e-mail patterns, that
are both recurrent and ad hoc connections. I did solve that with a fixed
local mailbox connected to sendmail, real address on first line and
letter-rewrite/addressfaking. The product, Lotus EMX Softswitch, did
implement a similar solution 2 years later.
But you do not want to wait to get a password or a challenge. I must admit
though, that I might misunderstand the flow for the "personal" user some.
Regards Kurt
From: David Grier <enoch(_at_)wzrd(_dot_)com>
To: asrg(_at_)ietf(_dot_)org
Subject: [Asrg] my idea
Date: 10 Apr 2003 10:41:48 -0400
Let me apologize in advance if this has already been suggested. I have
been reading the list since the beginning but I find it difficult to
keep up with the amount of mail that comes to it.
Here is my idea:
This is divided into two types of email. Commercial and non-commercial.
All Non-commercial and commercial email servers are registered as such.
Non-commercial:
Every local email address gets a key - generated by a key server at
their email provider. The key is given a password by the user. This
...........
details because I don't know if anyone cares. I would like feed back
though. Brutality is always welcome.
Thanks,
Dave
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