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▲ bawolff an hour ago

> DMARC = telling receivers how to handle mail that fails authentication.

No. DMARC is about if the from address has to match the address used in dkim/spf

▲gnabgib an hour ago | parent [-]

No DMARC is about telling receivers which of SPF/DKIM are valid, what to do with it when it fails, and where to send a report to. Oh look.. like Mike said.