RFC 1521: MIME (Multipurpose Internet Mail Extensions) Part One: Mechanisms for Specifying and Describing the Format of Internet Message Bodies

This document redefines the format of message bodies to allow multi-part textual and non-textual message bodies to be represented and exchanged without loss…

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Outgoing relationships (1 related RFC)

Obsoletes — RFC 1341: MIME (Multipurpose Internet Mail Extensions): Mechanisms for Specifying and Describing the Format of Internet Message Bodies

Incoming relationships (50 related RFCs)

Updated by, Informatively referenced by — RFC 1590: Media Type Registration Procedure
Obsoleted by — RFC 2045: Multipurpose Internet Mail Extensions (MIME) Part One: Format of Internet Message Bodies
Obsoleted by — RFC 2046: Multipurpose Internet Mail Extensions (MIME) Part Two: Media Types
Obsoleted by — RFC 2047: MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text
Obsoleted by — RFC 2048: Multipurpose Internet Mail Extensions (MIME) Part Four: Registration Procedures
Obsoleted by — RFC 2049: Multipurpose Internet Mail Extensions (MIME) Part Five: Conformance Criteria and Examples
Informatively referenced by — RFC 1945: Hypertext Transfer Protocol -- HTTP/1.0
Informatively referenced by — RFC 1766: Tags for the Identification of Languages
Informatively referenced by — RFC 2183: Communicating Presentation Information in Internet Messages: The Content-Disposition Header Field
Informatively referenced by — RFC 3066: Tags for the Identification of Languages
Informatively referenced by — RFC 6709: Design Considerations for Protocol Extensions
Informatively referenced by — RFC 1866: Hypertext Markup Language - 2.0
Informatively referenced by — RFC 1894: An Extensible Message Format for Delivery Status Notifications
Informatively referenced by — RFC 1869: SMTP Service Extensions
Informatively referenced by — RFC 1652: SMTP Service Extension for 8bit-MIMEtransport
Informatively referenced by — RFC 1808: Relative Uniform Resource Locators
Informatively referenced by — RFC 1870: SMTP Service Extension for Message Size Declaration
Informatively referenced by — RFC 1806: Communicating Presentation Information in Internet Messages: The Content-Disposition Header
Informatively referenced by — RFC 1848: MIME Object Security Services
Informatively referenced by — RFC 1651: SMTP Service Extensions
Informatively referenced by — RFC 1730: Internet Message Access Protocol - Version 4
Informatively referenced by — RFC 1830: SMTP Service Extensions for Transmission of Large and Binary MIME Messages
Informatively referenced by — RFC 1911: Voice Profile for Internet Mail
Informatively referenced by — RFC 1642: UTF-7 - A Mail-Safe Transformation Format of Unicode
Informatively referenced by — RFC 1845: SMTP Service Extension for Checkpoint/Restart
Informatively referenced by — RFC 1864: The Content-MD5 Header Field
Informatively referenced by — RFC 1867: Form-based File Upload in HTML
Informatively referenced by — RFC 1557: Korean Character Encoding for Internet Messages
Informatively referenced by — RFC 1563: The text/enriched MIME Content-type
Informatively referenced by — RFC 1740: MIME Encapsulation of Macintosh Files - MacMIME
Informatively referenced by — RFC 1555: Hebrew Character Encoding for Internet Messages
Informatively referenced by — RFC 1556: Handling of Bi-directional Texts in MIME
Informatively referenced by — RFC 1815: Character Sets ISO-10646 and ISO-10646-J-1
Informatively referenced by — RFC 1873: Message/External-Body Content-ID Access Type
Informatively referenced by — RFC 1896: The text/enriched MIME Content-type
Informatively referenced by — RFC 3926: FLUTE - File Delivery over Unidirectional Transport
Informatively referenced by — RFC 1530: Principles of Operation for the TPC.INT Subdomain: General Principles and Policy
Informatively referenced by — RFC 1645: Simple Network Paging Protocol - Version 2
Informatively referenced by — RFC 1861: Simple Network Paging Protocol - Version 3 -Two-Way Enhanced
Informatively referenced by — RFC 1872: The MIME Multipart/Related Content-type
Informatively referenced by — RFC 1874: SGML Media Types
Informatively referenced by — RFC 1898: CyberCash Credit Card Protocol Version 0.8
Informatively referenced by — RFC 2017: Definition of the URL MIME External-Body Access-Type
Informatively referenced by — RFC 1569: Principles of Operation for the TPC.INT Subdomain: Radio Paging -- Technical Procedures
Informatively referenced by — RFC 1653: SMTP Service Extension for Message Size Declaration
Informatively referenced by — RFC 1741: MIME Content Type for BinHex Encoded Files
Informatively referenced by — RFC 1820: Multimedia E-mail (MIME) User Agent Checklist
Informatively referenced by — RFC 1844: Multimedia E-mail (MIME) User Agent Checklist
Informatively referenced by — RFC 1895: The Application/CALS-1840 Content-type
Informatively referenced by — RFC 1947: Greek Character Encoding for Electronic Mail Messages