Sieve Email Filtering: MIME Part Tests, Iteration, Extraction, Replacement, and Enclosure
RFC 5703
Document | Type | RFC - Proposed Standard (October 2009; Errata) | |
---|---|---|---|
Authors | Tony Hansen , Cyrus Daboo | ||
Last updated | 2020-04-21 | ||
Replaces | draft-hansen-sieve-loop | ||
Stream | Internent Engineering Task Force (IETF) | ||
Formats | plain text html pdf htmlized (tools) htmlized with errata bibtex | ||
Reviews | |||
Stream | WG state | (None) | |
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 5703 (Proposed Standard) | |
Action Holders |
(None)
|
||
Consensus Boilerplate | Unknown | ||
Telechat date | |||
Responsible AD | Lisa Dusseault | ||
Send notices to | alexey.melnikov@isode.com |
Network Working Group T. Hansen Request for Comments: 5703 AT&T Laboratories Category: Standards Track C. Daboo Apple Inc. October 2009 Sieve Email Filtering: MIME Part Tests, Iteration, Extraction, Replacement, and Enclosure Abstract This document defines extensions to the Sieve email filtering language to permit analysis and manipulation of the MIME body parts of an email message. Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright Notice Copyright (c) 2009 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 BSD License. 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 Hansen & Daboo Standards Track [Page 1] RFC 5703 Sieve MIME Operations October 2009 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 ....................................................2 2. Conventions Used in This Document ...............................3 3. Sieve Loops: Actions "foreverypart" and "break" .................3 4. Changes to Sieve Tests ..........................................4 4.1. Test "header" ..............................................4 4.2. Test "address" .............................................7 4.3. Test "exists" ..............................................8 5. Action "replace" ................................................8 6. Action "enclose" ...............................................10 7. Action "extracttext" ...........................................11 8. Sieve Capability Strings .......................................11 9. Examples .......................................................12 9.1. Example 1 .................................................12 9.2. Example 2 .................................................12 9.3. Example 3 .................................................13 10. Acknowledgements ..............................................13 11. Security Considerations .......................................14 12. IANA Considerations ...........................................14 12.1. foreverypart capability ..................................15 12.2. mime capability ..........................................15 12.3. replace capability .......................................15 12.4. enclose capability .......................................16 12.5. extracttext capability ...................................16 13. References ....................................................16 13.1. Normative References .....................................16 13.2. Informative References ...................................17 1. Introduction MIME messages ([RFC2045]) are often complex objects, consisting of many parts and sub-parts. This Sieve ([RFC5228]) extension defines mechanisms for performing tests on MIME body parts, looping through the MIME body parts, extracting information from a MIME body part, changing the contents of a MIME body part, and enclosing the entire message within a wrapper. Hansen & Daboo Standards Track [Page 2] RFC 5703 Sieve MIME Operations October 2009Show full document text