RFC 6558 · PROPOSED STANDARD · 2012
MON · 14 SEP 2026
Sieve Extension for Converting Messages before Delivery
Overview
RFC 6558, “Sieve Extension for Converting Messages before Delivery”, is a Proposed Standard document published in March 2012 by A. Melnikov, B. Leiba, K. Li. The canonical text is published by the RFC Editor.
Abstract
This document describes how the "CONVERT" IMAP extension can be used within the Sieve mail filtering language to transform messages before final delivery. [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 6558 is hosted at rfc-editor.org. Available in TXT,HTML.
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