Authentication-Results Registration Update for Sender Policy Framework Results
RFC 6577, “Authentication-Results Registration Update for Sender Policy Framework Results”, is a Proposed Standard document published in March 2012 by M. Kucherawy. It updates RFC 5451. It has been obsoleted by RFC 7001 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This memo updates the registry of authentication method results in Authentication-Results: message header fields, correcting a discontinuity between the original registry creation and the Sender Policy Framework (SPF) specification. [STANDARDS-TRACK]
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 6577 is hosted at rfc-editor.org. Available in TXT,HTML.
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