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ObsoletedPROPOSED STANDARDIETF stream

RFC 6855: IMAP Support for UTF-8

This RFC has been replaced. Do not implement against it for new work — it was formally obsoleted by RFC 9755.

Current document in this lineage: RFC 9755 — IMAP Support for UTF-8

In plain English — editorial summary, not part of the RFC

This specification extends the Internet Message Access Protocol (IMAP) to support UTF-8 encoded international characters in user names, mail addresses, and message headers. This specification replaces RFC 5738.

Document record

Document ID
RFC6855
Published
March 2013
Authors
P. Resnick; C. Newman; S. Shen
Status
PROPOSED STANDARD
Stream
IETF
Area
app
Pages
12
Also known as
—
Obsoletes:
RFC 5738
Obsoleted by:
RFC 9755

Topics

Standards lineage

This document is one revision in a chain of 3 RFCs, each formally replacing the one before it.

  1. RFC 5738 (2010)
  2. RFC 6855 (2013)
  3. RFC 9755 (2025) ✓

Read the full history of IMAP Support for UTF-8 →

Referenced by

One later RFC formally updates or obsoletes part of this document.

Related documents

Ranked automatically by shared keywords, IETF area and stream — not by editorial selection.

Also filed under

About this page

The document record above — title, authors, date, status, stream, area, relationships, DOI and errata — is imported verbatim from the public RFC Editor index. The “in plain English” section is editorial: written by The metasystema editorial team, not part of the RFC. Where the two differ, the RFC text governs.

Last checked against the RFC Editor index on . RFCs are never revised after publication; changes are issued as new documents.

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canonical URL: /rfc/6855-imap-support-for-utf-8