IMAP $Important Keyword and \Important Special-Use Attribute
draft-ietf-extra-specialuse-important-03
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Active Internet-Draft (extra WG)
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Barry Leiba
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Last updated |
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2018-06-07
(latest revision 2018-04-30)
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draft-leiba-extra-specialuse-important
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Internet Engineering Task Force (IETF)
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Submitted to IESG for Publication
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Bron Gondwana
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Shepherd write-up |
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Show
(last changed 2018-05-07)
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Approved-announcement to be sent
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Yes
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Responsible AD |
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Alexey Melnikov
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Bron Gondwana <brong@fastmailteam.com>
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IANA OK - Actions Needed
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Network Working Group B. Leiba, Ed.
Internet-Draft Huawei Technologies
Intended status: Standards Track May 01, 2018
Expires: October 31, 2018
IMAP $Important Keyword and \Important Special-Use Attribute
draft-ietf-extra-specialuse-important-03
Abstract
RFC 6154 created an IMAP Special-Use LIST extension and defined an
initial set of attributes. This document defines a new attribute,
"\Important", and establishes a new IANA registry for IMAP folder
attributes, registering the attributes defined in RFCs 3348, 3501,
and 6154. This document also defines a new IMAP keyword,
"$Important", and registers it in the registry defined in RFC 5788.
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 http://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 October 31, 2018.
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 (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.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Conventions used in this document . . . . . . . . . . . . . 2
Leiba Expires October 31, 2018 [Page 1]
Internet-Draft IMAP "Important" Keyword and Attribute May 2018
2. Definition of the '$Important' Message Keyword . . . . . . . . 2
3. Definition of the 'Important' Mailbox Attribute . . . . . . . 3
3.1. Formal Syntax . . . . . . . . . . . . . . . . . . . . . . . 3
3.2. Examples . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.2.1. Example of a LIST Response . . . . . . . . . . . . . . . . 3
3.2.2. Examples of Creating a New Mailbox using \Important . . . 4
4. Implementation Notes . . . . . . . . . . . . . . . . . . . . . 4
5. Security Considerations . . . . . . . . . . . . . . . . . . . 5
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 5
6.1. Registration of the $Important keyword . . . . . . . . . . . 5
6.2. Creation of the IMAP Mailbox Name Attributes Registry . . . 6
6.2.1. Instructions to the Designated Expert . . . . . . . . . . 7
6.3. Initial Entries for the IMAP Mailbox Name Attributes Registry 7
7. Changes During Document Development . . . . . . . . . . . . . 8
8. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 9
9. References . . . . . . . . . . . . . . . . . . . . . . . . . . 9
9.1. Normative References . . . . . . . . . . . . . . . . . . . . 9
9.2. Informative References . . . . . . . . . . . . . . . . . . . 10
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . . 10
1. Introduction
The Internet Message Access Protocol (IMAP) specification [RFC3501]
defines the use of message keywords, and an IMAP Keywords registry is
created in [RFC5788]. [RFC6154] defines an extension to the IMAP
LIST command for special-use mailboxes. The extension allows servers
to provide extra information (attributes) about the purpose of a
mailbox and defines an initial set of special-use attributes.
This document does the following:
o Defines a new message keyword, "$Important", to apply to messages
that are considered important for the user, by some externally
defined criteria.
o Registers the "$Important" keyword in the IMAP Keywords registry.
o Defines a new special-use attribute, "\Important", to designate a
mailbox that will hold messages that are considered important for
the user, by some externally defined criteria.
o Creates a registry for IMAP mailbox attributes and registers the
new attribute and those defined in [RFC3348], [RFC3501], and
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