On Wed 09/Dec/2020 01:04:46 +0100 John Levine wrote:
In article <[email protected]> you write:
When dmarc authentication method fails on a message, an MTA may decide to send
a failure report. If the message is itself a failure report, however, no
failure report should be sent. The question is, how does the MTA determine
whether the message is a failure report, without resorting to lengthy content
analysis?
If the top level content-type is multipart/report, that would be a
pretty good signal.
Works for me. It still implies no failure reports on bounces, but admins can
have bounces on failure reports if they want.
The change amounts to a fourth 1-liner *-bullet, for example:
* never send reports for message of Content-Type: multipart/report;
It seems better than the other three bullets, so I'd prepend it. Does the WG
agree?
Best
Ale
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