RFC 7508 · EXPERIMENTAL · 2015
MON · 15 JUN 2026
Securing Header Fields with S/MIME
Overview
RFC 7508, “Securing Header Fields with S/MIME”, is an Experimental document published in April 2015 by L. Cailleux, C. Bonatti. The canonical text is published by the RFC Editor.
Abstract
This document describes how the S/MIME protocol can be extended in order to secure message header fields defined in RFC 5322. This technology provides security services such as data integrity, non-repudiation, and confidentiality. This extension is referred to as 'Secure Headers'.
What “Experimental” means
Describes a specification that is part of a research or development effort, published so the community can gain experience with it.
Read this RFC
The canonical text of RFC 7508 is hosted at rfc-editor.org. Available in TXT,HTML.
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