Glossary
Email authentication
Disposition
What a receiver actually did with a message — none, quarantine or reject — as distinct from what the policy asked for. Aggregate reports carry both, and the difference is informative.
Defined in RFC 7489 §7.2.
Where this appears
The lessons that use this term, and what each is for.
Email Authentication FundamentalsHow a receiver evaluates DMARCWalk the evaluation in order and say at which step a given message passes or fails.Email Authentication FundamentalsReading an aggregate reportOpen a raw DMARC aggregate report and explain what a single row means.Email Authentication FundamentalsThe staged path to enforcementWrite a rollout plan with a defensible go/no-go criterion at every stage.DMARC PractitionerWhat pct actually doesPredict the effect of a pct value, and say why it is a worse rollout tool than it looks.DMARC PractitionerEvidence before policyState the criteria that make the next policy step safe, in numbers from your own reports.Advanced Email TrustWhat BIMI requiresList every prerequisite in order, and say which one stops most domains.Email Security PractitionerRanking by consequenceOrder findings by what each one actually permits, not by how easy it is to describe.Email Security PractitionerAn outage you causedRecover from a policy change that stopped legitimate mail, and find out what you missed.Domain Security PractitionerNinety days, and a yearSequence the funded work around the constraints you cannot remove.