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Displaying Downgraded Messages for Email Address Internationalization (RFC5825)

IP.com Disclosure Number: IPCOM000194886D
Original Publication Date: 2010-Apr-01
Included in the Prior Art Database: 2010-Apr-13
Document File: 28 page(s) / 26K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

K. Fujiwara: AUTHOR [+2]

Abstract

The Email Address Internationalization (UTF8SMTP) extension document set [RFC4952] [RFC5336] [RFC5335] [RFC5337] expands Email address structure, syntax, and email header format. To avoid rejection of internationalized email messages, the downgrading mechanism [RFC5504] converts an internationalized message to a traditional email message when a server in the delivery path does not support the UTF8SMTP extension. The downgraded message is a traditional email message, except the message has "Downgraded-" header fields.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 10% of the total text.

Internet Engineering Task Force (IETF)                       K. Fujiwara Request for Comments: 5825                                          JPRS Category: Experimental                                          B. Leiba ISSN: 2070-1721                                      Huawei Technologies                                                               April 2010

  Displaying Downgraded Messages for Email Address Internationalization

Abstract

   This document describes a method for displaying downgraded messages    that originally contained internationalized email addresses or    internationalized header fields.

Status of This Memo

   This document is not an Internet Standards Track specification; it is    published for examination, experimental implementation, and    evaluation.

   This document defines an Experimental Protocol for the Internet    community.  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).  Not    all documents approved by the IESG are a candidate for any level of    Internet Standard; see 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/rfc5825.

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.

 Fujiwara & Leiba              Experimental                      [Page 1]
 RFC 5825             Displaying Downgraded Messages           April 2010

 Table of Contents

   1. Introduction ....................................................2

   2. Terminology .....................................................2

   3. Converting Downgraded Message Headers for Display ...............3

      3.1. Considerations .............................................3

      3.2. The Process .............................................