DMARC

A protocol that uses SPF and DKIM to determine the authenticity of an email message.

Category
Architecture
Term ID
dmarc
Related
4 Terms
Status
Defined
01 — The Deep Dive

Understanding the Mechanics

DMARC (Domain-based Message Authentication, Reporting, and Conformance) is the rulebook. It tells receiver servers what to do if an email fails SPF or DKIM checks (e.g., 'reject it' or 'quarantine it').

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