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RFC 9991
Title: Domain-Based Message Authentication, Reporting, and
Conformance (DMARC) Failure Reporting
Author: S. Jones, Ed.,
A. Vesely, Ed.
Status: Standards Track
Stream: IETF
Date: May 2026
Mailbox: [email protected],
[email protected]
Pages: 13
Obsoletes: RFC 7489
Updates: RFC 6591
I-D Tag: draft-ietf-dmarc-failure-reporting-25.txt
URL: https://www.rfc-editor.org/info/rfc9991
DOI: 10.17487/RFC9991
Domain-based Message Authentication, Reporting, and Conformance
(DMARC) is a mechanism by which a Domain Owner can request feedback
about email messages using their domain in the From: address field.
This document describes "failure reports", or "failed message
reports", which provide details about individual messages that failed
to authenticate according to the DMARC mechanism.
This document updates RFC 6591 and obsoletes RFC 7489.
This document is a product of the Domain-based Message Authentication,
Reporting & Conformance Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: This document specifies an Internet Standards Track
protocol for the Internet community, and requests discussion and suggestions
for improvements. Please refer to the current edition of the Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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