Message Header Field for Indicating Message Authentication Status
RFC 8601, “Message Header Field for Indicating Message Authentication Status”, is a Proposed Standard document published in May 2019 by M. Kucherawy. It obsoletes RFC 7601. The canonical text is published by the RFC Editor.
Abstract
This document specifies a message header field called "Authentication-Results" for use with electronic mail messages to indicate the results of message authentication efforts. Any receiver-side software, such as mail filters or Mail User Agents (MUAs), can use this header field to relay that information in a convenient and meaningful way to users or to make sorting and filtering decisions.
This document obsoletes RFC 7601.
What “Proposed Standard” means
An entry-level standards-track specification: stable, peer-reviewed and a solid basis for implementation, though it may still evolve before becoming an Internet Standard.
The canonical text of RFC 8601 is hosted at rfc-editor.org. Available in TXT,HTML.
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