RFC 9991 - Domain-Based Message Authentication, Reporting, and Conformance (DMARC) Failure Reporting

• Statut: Proposed Standard
• Publication: May 2026
• Flux: IETF
• Met a jour: RFC 6591
• Rend obsolete: RFC 7489

Resume

DMARC failure reports provide details about individual messages that failed to authenticate according to DMARC. This document updates RFC 6591 and obsoletes RFC 7489.

DMARC Document Set

• RFC 9989 - DMARC
• RFC 9990 - DMARC Aggregate Reporting
• RFC 9991 - DMARC Failure Reporting
• RFC 7489 - Original DMARC specification

Sommaire

• 1. Introduction
• 1.1. Terminology
• 1.2. Document Status
• 2. DMARC Failure Reports
• 3. Other Failure Reports
• 4. Reporting Format Update
• 5. Verifying External Destinations
• 5.1. Transport
• 6. IANA Considerations
• 7. Privacy Considerations
• 7.1. Data Exposure Considerations
• 7.2. Report Recipients
• 7.3. Additional Damage
• 8. Security Considerations
• 8.1. Denial of Service
• 9. References
• Appendix A. Example Failure Report
• Authors' Addresses

Ressources associees

• Texte officiel: RFC 9991
• Page officielle: RFC 9991 DataTracker
• Errata: RFC Editor Errata