On 2020-08-13 1:59 a.m., John Levine wrote:
In article <000001d670ee$e38f8750$aaae95f0$@bayviewphysicians.com> you write:
The author fails to recognize that we have a single-author email
architecture. Consequently, the last entity to alter the message IS the
author.
Sorry, but no. The structure of Internet mail is quite clear, and that's not
it.
I can believe there are people who wish it were like that, but no.
I think Doug meant the email architecture as induced by DMARC.
Some people can sit together and write a multi-authored message. If
they set a multi-mailbox From:, then their message cannot be DMARC
validated, and can hardly be sent to a mailing list.
Let me note that much of Doug's analysis is correct. We need to fix
the weak points he mentions.
Best
Ale
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