Re: [Asrg] processing mailing list headers (was FeedBack loops)

[Matthias Leisi <matthias at leisi.net>]

Franck Martin schrieb:

> So there is a need for a process at the MUA and MTA to make sure the
> unsubscribe header is valid and will be honored.

Which would be roughly equal to "make sure the Received: headers and the
From: header are valid"?

"valid" would mean 1) it is technically resolveable (as an email
address, an URL, whatever) and 2) it points to a non-spammer that will
not use the information received as eg a confirmation of an email
address read by an end-user.

I have my doubts that this approach will succeed. For such an approach
to succeed, it would need to be mutually secured/authenticated, but I
don't see a feasible method for this at the moment.

(Of course, it would be technically possible, but organisationally
expensive and may have undesireable side-effects.)

-- Matthias

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