From: Adam Back <adam(_at_)cypherspace(_dot_)org>
...
So of course you did say that users could by pass need for identity by
sending tokens, but I think a lower fallout approach to white listing
is to white list on first response by recipient, either at the
recipient side, or via some kind of re-usable white-list token
returned to the sender. Then no identity infrastructure is required,
no user privacy is lost, and I would think equal amounts of spam
protection are provided.
On Thu, Mar 06, 2003 at 01:03:51AM +0200, ietf(_at_)alon(_dot_)wox(_dot_)org
wrote:
...
1. Unauthenticated senders will be required to add a token to their mail
...
As far as I can tell, both of you are talking about the same thing
that http://habeas.com is offering.
I'm not really a fan of that idea, but it seems to be a complete and upward
compatible implementation of what you want. It also does not require
a lot of new, implausible (or already proven impossible) PKI or similar
infrastructure.
Vernon Schryver vjs(_at_)rhyolite(_dot_)com
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