IMAP REPLACE Extension
draft-ietf-extra-imap-replace-03

Document Type Active Internet-Draft (extra WG)
Last updated 2018-11-14 (latest revision 2018-10-25)
Replaces draft-brandt-imap-replace
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Network Working Group                                          S. Brandt
Internet-Draft                                                   Verizon
Intended status: Standards Track                        October 25, 2018
Expires: April 28, 2019

                         IMAP REPLACE Extension
                    draft-ietf-extra-imap-replace-03

Abstract

   This document defines an IMAP extension which can be used to replace
   an existing message in a message store with a new message.  Message
   replacement is a common operation for clients that automatically save
   drafts or notes as a user composes them.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on April 28, 2019.

Copyright Notice

   Copyright (c) 2018 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
   (https://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.

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Table of Contents

   1.  Conventions Used in This Document . . . . . . . . . . . . . .   2
   2.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   2
   3.  REPLACE and UID REPLACE . . . . . . . . . . . . . . . . . . .   3
     3.1.  Advertising Support for REPLACE . . . . . . . . . . . . .   3
     3.2.  REPLACE Command . . . . . . . . . . . . . . . . . . . . .   3
     3.3.  UID REPLACE Command . . . . . . . . . . . . . . . . . . .   4
     3.4.  Semantics of REPLACE and UID REPLACE  . . . . . . . . . .   5
     3.5.  IMAP State Diagram Impacts  . . . . . . . . . . . . . . .   6
   4.  Interaction with other extensions . . . . . . . . . . . . . .   6
     4.1.  RFC 4314, ACL . . . . . . . . . . . . . . . . . . . . . .   6
     4.2.  RFC 4469, CATENATE  . . . . . . . . . . . . . . . . . . .   6
     4.3.  RFC 4315, UIDPLUS . . . . . . . . . . . . . . . . . . . .   8
     4.4.  RFC 6785, IMAP Events in Sieve  . . . . . . . . . . . . .   8
     4.5.  RFC 7162, CONDSTORE/QRESYNC . . . . . . . . . . . . . . .   8
     4.6.  RFC 8474, OBJECTID  . . . . . . . . . . . . . . . . . . .   8
     4.7.  RFC 3502, MULTIAPPEND . . . . . . . . . . . . . . . . . .   8
   5.  Formal Syntax . . . . . . . . . . . . . . . . . . . . . . . .   8
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   9
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .   9
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .   9
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  10
     9.3.  URIs  . . . . . . . . . . . . . . . . . . . . . . . . . .  11
   Author's Address  . . . . . . . . . . . . . . . . . . . . . . . .  11

1.  Conventions Used in This Document

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in BCP
   14 [1] [RFC2119] [RFC8174] when, and only when, they appear in all
   capitals, as shown here.

   Formal syntax is defined by [RFC5234].

   Example lines prefaced by "C:" are sent by the client and ones
   prefaced by "S:" by the server.

2.  Overview

   This document defines an IMAP [RFC3501] extension to facilitate
   replacing an existing message with a new one.  This is accomplished
   by defining a new REPLACE command and extending the UID command to
   allow UID REPLACE.

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   Since there is no replace function in the base IMAP specification,
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