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My goal: When a spammer delivers mail to my mail server with a forged "dnalounge.com" address in the "From:" header (as opposed to the envelope), it does not get delivered.
I believe the proper way to do this is to have OpenDMARC enforce the DMARC/SPF records on inbound email.
However, OpenDMARC seems to be doing just crazy nonsense. Can anyone explain to me how to actually debug it? E.g....
https://jwz.org/b/yklA
