On 1/17/24 2:56 AM, Alessandro Vesely wrote:
[ Discussion of what to do with multi-valued From: in messages ]
However, since DMARC bears the blame of banning multi-valued From:, it
is appropriate for it to say something about the consequences and
possible workarounds.
DMARC doesn't ban multi-valued From:, but the language of section 6.6.1
is confusing because we were documenting the practice of implementers up
to that time as much as being prescriptive. If anything, it highlights
the need for the clearer language that Todd quoted earlier in this thread.
Has a measurable volume of legitimate messages with multi-valued From:
headers been reported in the wild? Is there a real-world problem that
needs to be solved?
--Steve.
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