iCalendar Message-Based Interoperability Protocol (iMIP)
RFC 6047

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Internet Engineering Task Force (IETF)                  A. Melnikov, Ed.
Request for Comments: 6047                                     Isode Ltd
Obsoletes: 2447                                            December 2010
Category: Standards Track
ISSN: 2070-1721

        iCalendar Message-Based Interoperability Protocol (iMIP)

Abstract

   This document, "iCalendar Message-Based Interoperability Protocol
   (iMIP)", specifies a binding from the iCalendar Transport-independent
   Interoperability Protocol (iTIP) to Internet email-based transports.
   Calendaring entries defined by the iCalendar Object Model (iCalendar)
   are wrapped using constructs from RFC 5322 and MIME (RFC 2045, RFC
   2046, RFC 2047, and RFC 2049), and then transported over SMTP.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc6047.

Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Melnikov                     Standards Track                    [Page 1]
RFC 6047                          iMIP                     December 2010

   This document may contain material from IETF Documents or IETF
   Contributions published or made publicly available before November
   10, 2008.  The person(s) controlling the copyright in some of this
   material may not have granted the IETF Trust the right to allow
   modifications of such material outside the IETF Standards Process.
   Without obtaining an adequate license from the person(s) controlling
   the copyright in such materials, this document may not be modified
   outside the IETF Standards Process, and derivative works of it may
   not be created outside the IETF Standards Process, except to format
   it for publication as an RFC or to translate it into languages other
   than English.

Table of Contents

   1. Introduction ....................................................3
      1.1. Related Memos ..............................................3
      1.2. Formatting Conventions .....................................3
      1.3. Terminology ................................................4
   2. MIME Message Format Binding .....................................4
      2.1. MIME Media Type ............................................4
      2.2. Security ...................................................5
           2.2.1. Authorization .......................................5
           2.2.2. Authentication ......................................5
           2.2.3. Confidentiality .....................................5
      2.3. Email Addresses ............................................6
      2.4. Content-Type Header Field ..................................6
      2.5. Content-Transfer-Encoding Header Field .....................7
      2.6. Content-Disposition Header Field ...........................8
   3. Security Considerations .........................................8
   4. Examples .......................................................11
      4.1. Single Component with an ATTACH Property ..................11
      4.2. Using multipart/alternative for Low-Fidelity Clients ......11
      4.3. Single Component with an ATTACH Property and
           Inline Attachment .........................................12
      4.4. Multiple Similar Components ...............................14
      4.5. Multiple Mixed Components .................................15
      4.6. Detailed Components with an ATTACH Property ...............16
   5. Recommended Practices ..........................................18
      5.1. Use of Content and Message IDs ............................18
   6. IANA Considerations ............................................18
   7. References .....................................................19
      7.1. Normative References ......................................19
      7.2. Informative References ....................................20