RFC 2156 · PROPOSED STANDARD · 1998

MIXER : Mapping between X.400 and RFC 822/MIME

Overview

RFC 2156, “MIXER : Mapping between X.400 and RFC 822/MIME”, is a Proposed Standard document published in January 1998 by S. Kille. It updates RFC 822. It obsoletes RFC 987, RFC 1026, RFC 1138, RFC 1148, RFC 1327, RFC 1495. The canonical text is published by the RFC Editor.

Abstract

This document relates primarily to the ITU-T 1988 and 1992 X.400 Series Recommendations / ISO IEC 10021 International Standard. This ISO/ITU-T standard is referred to in this document as "X.400", which is a convenient shorthand. [STANDARDS-TRACK]

Abstract as published in the RFC, via rfc-editor.org.

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 2156 is hosted at rfc-editor.org. Available in TXT,HTML.

Relationships to other RFCs
This RFC updates
RFC 822
Other RFCs from 1998

Who Is Online

In total there are 59 users online: 0 registered, 52 guests and 7 bots.

Most users ever online was 5,555 on 17 Jul 2026, 3:23 am.

Bots: AhrefsBot Applebot Baiduspider Bingbot Other Bot PetalBot SemrushBot

Users active in the past 15 minutes. Total registered members: 372