On Tue, Nov 15, 2022 at 2:22 PM Tobias Herkula <tobias.herkula= [email protected]> wrote:
> Why not state that, if there are multiple mailboxes mentioned inside the > “From”-Header that DMARC should then use the “Sender”-Header? And if that > does not exists it’s a FAIL > Does that mean I can put anything I want in From, including "und1.de" twice, put my own junk domain in Sender, and then sign it with the same junk domain, and DMARC would call that an aligned "pass" when it verifies at the other end? -MSK
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