DMARC

A policy telling receivers what to do with mail that fails SPF and DKIM.

By Mackenzie Bowes · mackenzie@mackenziebowes.com · @_mackenziebowes on X

Source

“a scalable mechanism by which a mail-originating” RFC 7489: Domain-based Message Authentication, Reporting, and Conformance (DMARC)

See also: DKIM, SPF, Bulk sender, Spam rate.