RFC 2447 · PROPOSED STANDARD · 1998
WED · 29 JUL 2026
iCalendar Message-Based Interoperability Protocol
Overview
RFC 2447, “iCalendar Message-Based Interoperability Protocol”, is a Proposed Standard document published in November 1998 by F. Dawson, S. Mansour, S. Silverberg. It has been obsoleted by RFC 6047 — refer to the newer document for the authoritative version. The canonical text is published by the RFC Editor.
Abstract
This document specifies a binding from the iCalendar Transport- independent Interoperability Protocol (iTIP) to Internet email-based transports. [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 2447 is hosted at rfc-editor.org. Available in TXT,HTML.
Relationships to other RFCs
Other RFCs from 1998
- RFC 2446 iCalendar Transport-Independent Interoperability Protocol Scheduling Events, BusyTime, To-dos and Journal Entries
- RFC 2448 AT&T's Error Resilient Video Transmission Technique
- RFC 2445 Internet Calendaring and Scheduling Core Object Specification
- RFC 2449 POP3 Extension Mechanism
- RFC 2444 The One-Time-Password SASL Mechanism
- RFC 2450 Proposed TLA and NLA Assignment Rule
- RFC 2443 A Distributed MARS Service Using SCSP
- RFC 2451 The ESP CBC-Mode Cipher Algorithms