Posts tagged: rfc-9990
DMARC Aggregate Report: Anatomy, Senders, RFC 9990
What a DMARC aggregate report is, who sends the XML and how often, an annotated sample file, and what RFC 9990 changed in the schema. Analyze yours free online.
RFC 9989 DMARC: What Changed From RFC 7489
RFC 9989 replaces RFC 7489 as DMARC's Standards-Track spec (May 2026). What changed: the RFC 9990 aggregate / 9991 failure split, tree walk, pct removed.