RFC 6710 · PROPOSED STANDARD · 2012
SUN · 14 JUN 2026
Simple Mail Transfer Protocol Extension for Message Transfer Priorities
Overview
RFC 6710, “Simple Mail Transfer Protocol Extension for Message Transfer Priorities”, is a Proposed Standard document published in August 2012 by A. Melnikov, K. Carlberg. The canonical text is published by the RFC Editor.
Abstract
This memo defines an extension to the SMTP (Simple Mail Transfer Protocol) service whereby messages are given a label to indicate preferential handling, to enable mail handling nodes to take this information into account for onward processing. [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.
Read this RFC
The canonical text of RFC 6710 is hosted at rfc-editor.org. Available in TXT,HTML.
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