Multipurpose Internet Mail Extensions Part Four: Registration Procedures
RFC 2048, “Multipurpose Internet Mail Extensions Part Four: Registration Procedures”, is a Best Current Practice document published in November 1996 by N. Freed, J. Klensin, J. Postel. It obsoletes RFC 1521, RFC 1522, RFC 1590. It has since been updated by RFC 3023. It has been obsoleted by RFC 4288, RFC 4289 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This set of documents, collectively called the Multipurpose Internet Mail Extensions, or MIME, redefines the format of messages. This fourth document, RFC 2048, specifies various IANA registration procedures for some MIME facilities. This document specifies an Internet Best Current Practices for the Internet Community, and requests discussion and suggestions for improvements.
What “Best Current Practice” means
Documents the IETF community's recommended operational or procedural practice rather than a protocol specification.
The canonical text of RFC 2048 is hosted at rfc-editor.org. Available in TXT,HTML.
- RFC 2049 Multipurpose Internet Mail Extensions Part Five: Conformance Criteria and Examples
- RFC 2047 MIME Part Three: Message Header Extensions for Non-ASCII Text
- RFC 2050 Internet Registry IP Allocation Guidelines
- RFC 2046 Multipurpose Internet Mail Extensions Part Two: Media Types
- RFC 2051 Definitions of Managed Objects for APPC using SMIv2
- RFC 2045 Multipurpose Internet Mail Extensions Part One: Format of Internet Message Bodies
- RFC 2052 A DNS RR for specifying the location of services
- RFC 2044 UTF-8, a transformation format of Unicode and ISO 10646