--- 1/draft-ietf-extra-sieve-mailboxid-05.txt 2020-12-03 04:13:48.759996161 -0800 +++ 2/draft-ietf-extra-sieve-mailboxid-06.txt 2020-12-03 04:13:48.779996670 -0800 @@ -1,19 +1,19 @@ EXTRA B. Gondwana, Ed. Internet-Draft Fastmail -Updates: 5228 (if approved) 19 November 2020 +Updates: 5228 (if approved) 3 December 2020 Intended status: Standards Track -Expires: 23 May 2021 +Expires: 6 June 2021 Sieve Email Filtering: delivery by mailboxid - draft-ietf-extra-sieve-mailboxid-05 + draft-ietf-extra-sieve-mailboxid-06 Abstract The OBJECTID capability of the IMAP protocol (RFC8474) allows clients to identify mailboxes by a unique identifier which survives rename. This document extends the Sieve mail filtering language (RFC5228) to allow using that same unique identifier as a target for fileinto rules, and for testing the existance of mailboxes. @@ -25,21 +25,21 @@ 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 23 May 2021. + This Internet-Draft will expire on 6 June 2021. Copyright Notice Copyright (c) 2020 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 @@ -57,32 +57,33 @@ 4.1. Interaction with "mailbox" extension . . . . . . . . . . 4 4.2. Interaction with "specialuse" extension . . . . . . . . . 4 5. Interaction with "fcc" extension . . . . . . . . . . . . . . 4 6. Test "mailboxidexists" . . . . . . . . . . . . . . . . . . . 5 7. Interaction with variables extension . . . . . . . . . . . . 6 8. Formal Syntax . . . . . . . . . . . . . . . . . . . . . . . . 6 9. Security considerations . . . . . . . . . . . . . . . . . . . 6 10. IANA considerations . . . . . . . . . . . . . . . . . . . . . 6 11. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 7 12. Changes . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 - 12.1. draft-ietf-sieve-mailboxid-05 . . . . . . . . . . . . . 7 - 12.2. draft-ietf-sieve-mailboxid-04 . . . . . . . . . . . . . 7 - 12.3. draft-ietf-sieve-mailboxid-03 . . . . . . . . . . . . . 7 - 12.4. draft-ietf-sieve-mailboxid-02 . . . . . . . . . . . . . 7 - 12.5. draft-ietf-sieve-mailboxid-01 . . . . . . . . . . . . . 7 - 12.6. draft-ietf-sieve-mailboxid-00 . . . . . . . . . . . . . 8 - 12.7. draft-gondwana-sieve-mailboxid-02 . . . . . . . . . . . 8 - 12.8. draft-gondwana-sieve-mailboxid-01 . . . . . . . . . . . 8 - 12.9. draft-gondwana-sieve-mailboxid-00 . . . . . . . . . . . 8 + 12.1. draft-ietf-sieve-mailboxid-06 . . . . . . . . . . . . . 7 + 12.2. draft-ietf-sieve-mailboxid-05 . . . . . . . . . . . . . 7 + 12.3. draft-ietf-sieve-mailboxid-04 . . . . . . . . . . . . . 7 + 12.4. draft-ietf-sieve-mailboxid-03 . . . . . . . . . . . . . 7 + 12.5. draft-ietf-sieve-mailboxid-02 . . . . . . . . . . . . . 7 + 12.6. draft-ietf-sieve-mailboxid-01 . . . . . . . . . . . . . 8 + 12.7. draft-ietf-sieve-mailboxid-00 . . . . . . . . . . . . . 8 + 12.8. draft-gondwana-sieve-mailboxid-02 . . . . . . . . . . . 8 + 12.9. draft-gondwana-sieve-mailboxid-01 . . . . . . . . . . . 8 + 12.10. draft-gondwana-sieve-mailboxid-00 . . . . . . . . . . . 8 13. Normative References . . . . . . . . . . . . . . . . . . . . 8 14. Informative References . . . . . . . . . . . . . . . . . . . 9 - Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 9 + Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 10 1. Introduction [RFC5228] Sieve rules are sometimes created using graphical interfaces which allow users to select the mailbox to be used as a target for a rule. If that mailbox is renamed, the client may also update its internal representation of the rule and update the sieve script to match, however this is a multi-step process and subject to partial failures. @@ -131,40 +132,40 @@ require "fileinto"; require "mailboxid"; if header :contains ["from"] "coyote" { fileinto :mailboxid "F6352ae03-b7f5-463c-896f-d8b48ee3" "INBOX.harassment"; } 4.1. Interaction with "mailbox" extension - For servers which also support the [!@RFC5490] mailbox extension, the + For servers which also support the [RFC5490] mailbox extension, the ":create" modifier to fileinto does not create the mailbox with the specified mailboxid, however it may be specified and interacts as normal with all other extensions. Example: require "fileinto"; require "mailboxid"; require "mailbox"; fileinto :mailboxid "Fnosuch" :create "INBOX.no-such-folder"; # creates INBOX.no-such-folder, but it doesn't # get the "Fnosuch" mailboxid. 4.2. Interaction with "specialuse" extension - For servers which also support [!@RFC8579] delivery to special-use + For servers which also support [RFC8579] delivery to special-use mailboxes, it is an error to specify both ":mailboxid" and ":special- use" in the same fileinto command. Advanced filtering based on both special-use and mailboxid can be built with explicit "specialuse_exists" and "mailboxidexists" tests. Note to developers of sieve generation tools: it is advisable to use special-use rather than mailboxid when creating rules that are based on a special-use purpose (e.g. delivery directly to the Junk folder based on a header that was added by a scanning agent earlier in the @@ -215,21 +216,21 @@ runs has permissions to execute "fileinto" on it. Example: require "fileinto"; require "mailboxid"; if header :contains ["from"] "coyote" { if mailboxidexists "F6352ae03-b7f5-463c-896f-d8b48ee3" { fileinto :mailboxid "F6352ae03-b7f5-463c-896f-d8b48ee3" - "INBOX.harassment"; + "INBOX.name.will.not.be.used"; } else { fileinto "INBOX.harassment"; } } Note to implementers: this test behaves identically to the "mailboxexists" test defined in [RFC5490] but operates on mailboxids rather than mailbox names. 7. Interaction with variables extension @@ -278,133 +279,140 @@ mailboxexists test, and from [RFC8579] for an example of modifying the fileinto command. Thanks to Ned Freed and Ken Murchison and Alexey Melnikov for feedback on the EXTRA mailing list. 12. Changes (EDITOR: remove this section before publication) -12.1. draft-ietf-sieve-mailboxid-05 +12.1. draft-ietf-sieve-mailboxid-06 + + * GENART review - fixed example to not be semantically pointless + + * GENART review - fixed !@ to @! in RFC reference mmark syntax + +12.2. draft-ietf-sieve-mailboxid-05 * disallow :mailboxid and :special-use in the same fileinto action. -12.2. draft-ietf-sieve-mailboxid-04 +12.3. draft-ietf-sieve-mailboxid-04 * made RFC5490 and RFC8579 normative * clarified wording based on AD feedback from Barry -12.3. draft-ietf-sieve-mailboxid-03 +12.4. draft-ietf-sieve-mailboxid-03 * Fixed ABNF syntax error -12.4. draft-ietf-sieve-mailboxid-02 +12.5. draft-ietf-sieve-mailboxid-02 * removed bogus : from "mailboxidexists" test title - * moved FCC to its own top-level section since it is not used with the fileinto command. -12.5. draft-ietf-sieve-mailboxid-01 +12.6. draft-ietf-sieve-mailboxid-01 * fixed idnits - RFC5228 not mentioned in the abstract + * fixed other I-D references I had missed, oops -12.6. draft-ietf-sieve-mailboxid-00 +12.7. draft-ietf-sieve-mailboxid-00 * Adopted into working group per adoption call on list * Updated references to old drafts which have since been published. * Fixed some typoes and simplified some language. * Removed stray leading colon on mailboxexists (thanks Alexey) * Added :fcc to the IANA registration description (thanks Alexey) * Mentioned that variables can be expanded (thanks Alexey) -12.7. draft-gondwana-sieve-mailboxid-02 +12.8. draft-gondwana-sieve-mailboxid-02 * Update document date by a couple of years! Ooops, it got forgotten after a WGLC which got not dissent. * Create xml2rfc v3 output. -12.8. draft-gondwana-sieve-mailboxid-01 +12.9. draft-gondwana-sieve-mailboxid-01 * Switch to :mailboxid tagged parameter value with fallback mailbox name. * Document interaction with "mailbox". * Document interaction with "special-use". * Document interaction with "fcc". * Document security considerations around :mailboxid and :create. -12.9. draft-gondwana-sieve-mailboxid-00 +12.10. draft-gondwana-sieve-mailboxid-00 * Initial version. 13. Normative References - [RFC2342] Gahrns, M. and C. Newman, "IMAP4 Namespace", RFC 2342, - DOI 10.17487/RFC2342, May 1998, - . + [RFC5228] Guenther, P., Ed. and T. Showalter, Ed., "Sieve: An Email + Filtering Language", RFC 5228, DOI 10.17487/RFC5228, + January 2008, . [RFC8580] Murchison, K. and B. Gondwana, "Sieve Extension: File Carbon Copy (FCC)", RFC 8580, DOI 10.17487/RFC8580, May 2019, . [RFC8474] Gondwana, B., Ed., "IMAP Extension for Object Identifiers", RFC 8474, DOI 10.17487/RFC8474, September 2018, . [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate Requirement Levels", BCP 14, RFC 2119, DOI 10.17487/RFC2119, March 1997, . [RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC 2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174, May 2017, . - [RFC5228] Guenther, P., Ed. and T. Showalter, Ed., "Sieve: An Email - Filtering Language", RFC 5228, DOI 10.17487/RFC5228, - January 2008, . + [RFC2342] Gahrns, M. and C. Newman, "IMAP4 Namespace", RFC 2342, + DOI 10.17487/RFC2342, May 1998, + . 14. Informative References + [RFC5490] Melnikov, A., "The Sieve Mail-Filtering Language -- + Extensions for Checking Mailbox Status and Accessing + Mailbox Metadata", RFC 5490, DOI 10.17487/RFC5490, March + 2009, . + [RFC3501] Crispin, M., "INTERNET MESSAGE ACCESS PROTOCOL - VERSION 4rev1", RFC 3501, DOI 10.17487/RFC3501, March 2003, . + [RFC5229] Homme, K., "Sieve Email Filtering: Variables Extension", + RFC 5229, DOI 10.17487/RFC5229, January 2008, + . + [RFC8579] Bosch, S., "Sieve Email Filtering: Delivering to Special- Use Mailboxes", RFC 8579, DOI 10.17487/RFC8579, May 2019, . [RFC4314] Melnikov, A., "IMAP4 Access Control List (ACL) Extension", RFC 4314, DOI 10.17487/RFC4314, December 2005, . - [RFC5490] Melnikov, A., "The Sieve Mail-Filtering Language -- - Extensions for Checking Mailbox Status and Accessing - Mailbox Metadata", RFC 5490, DOI 10.17487/RFC5490, March - 2009, . - - [RFC5229] Homme, K., "Sieve Email Filtering: Variables Extension", - RFC 5229, DOI 10.17487/RFC5229, January 2008, - . - Author's Address + Bron Gondwana (editor) Fastmail Level 2, 114 William St Melbourne VIC 3000 Australia Email: brong@fastmailteam.com URI: https://www.fastmail.com