On 2026-04-19 at 21:50:22 UTC-0400 (Mon, 20 Apr 2026 09:50:22 +0800)
2380189206 <[email protected]>
is rumored to have said:
And after sending an email to **[email protected]**, the
auto-reply comes from **[email protected]**, which could be
attached a DKIM signature.
However, what puzzles me most is that Outlook could not even receive
this auto-reply, this doesn't involve any other mail servers.
Because Microsoft is enforcing a policy which conflicts with the
standard for DMARC.
A missing or broken DKIM signature should not be an exclusive reason for
rejecting a message unless there is a DMARC p=reject policy and SPF
either fails or is not aligned to the From header.
--
Bill Cole
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