< draft-ietf-extra-sieve-fcc-02.txt   draft-ietf-extra-sieve-fcc-03.txt >
EXTRA K. Murchison EXTRA K. Murchison
Internet-Draft B. Gondwana Internet-Draft B. Gondwana
Updates: 5230, 5435 (if approved) FastMail Updates: 5230, 5435 (if approved) FastMail
Intended status: Standards Track April 29, 2018 Intended status: Standards Track August 3, 2018
Expires: October 31, 2018 Expires: February 4, 2019
Sieve Extension: File Carbon Copy (Fcc) Sieve Extension: File Carbon Copy (Fcc)
draft-ietf-extra-sieve-fcc-02 draft-ietf-extra-sieve-fcc-03
Abstract Abstract
The Sieve Email Filtering Language provides a number of action The Sieve Email Filtering Language provides a number of action
commands, some of which can generate additional messages on behalf of commands, some of which can generate additional messages on behalf of
the user. This document defines an extension to such commands to the user. This document defines an extension to such commands to
allow a copy of any generated message to be filed into a target allow a copy of any generated message to be filed into a target
mailbox. mailbox.
Status of This Memo Status of This Memo
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on October 31, 2018. This Internet-Draft will expire on February 4, 2019.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License. described in the Simplified BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Conventions Used in This Document . . . . . . . . . . . . . . 3 2. Conventions Used in This Document . . . . . . . . . . . . . . 3
3. Tagged Argument ":fcc" . . . . . . . . . . . . . . . . . . . 3 3. Tagged Argument ":fcc" . . . . . . . . . . . . . . . . . . . 3
3.1. Format of Filed Messages . . . . . . . . . . . . . . . . 3 3.1. Format of Filed Messages . . . . . . . . . . . . . . . . 3
3.2. Interaction with the Vacation Action . . . . . . . . . . 4 3.2. Interaction with the Vacation Action . . . . . . . . . . 4
3.3. Interaction with the Notify Action . . . . . . . . . . . 4 3.3. Interaction with the Notify Action . . . . . . . . . . . 5
3.4. Compatibility with the Reject and Extended Reject 3.3.1. Notification-Capability "fcc" . . . . . . . . . . . . 5
Actions . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.4. Compatibility with Other Actions . . . . . . . . . . . . 6
3.5. Compatibility with Other Actions . . . . . . . . . . . . 5 3.5. Interaction with Fileinto Extensions . . . . . . . . . . 6
3.6. Interaction with Fileinto Extensions . . . . . . . . . . 6 3.5.1. Imap4flags Extension . . . . . . . . . . . . . . . . 6
3.6.1. Imap4flags Extension . . . . . . . . . . . . . . . . 6 3.5.2. Mailbox Extension . . . . . . . . . . . . . . . . . . 7
3.6.2. Mailbox Extension . . . . . . . . . . . . . . . . . . 6 3.5.3. Special-Use Extension . . . . . . . . . . . . . . . . 7
3.6.3. Special-Use Extension . . . . . . . . . . . . . . . . 6 3.5.4. Extended Example . . . . . . . . . . . . . . . . . . 7
3.6.4. Extended Example . . . . . . . . . . . . . . . . . . 7 4. Implementation Status . . . . . . . . . . . . . . . . . . . . 8
4. Security Considerations . . . . . . . . . . . . . . . . . . . 7 5. Security Considerations . . . . . . . . . . . . . . . . . . . 8
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7 6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 8
5.1. Registration of Sieve Extension . . . . . . . . . . . . . 7 6.1. Registration of Sieve Extension . . . . . . . . . . . . . 8
6. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 7 6.2. Registration of Notification-Capability
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 7 Parameter . . . . . . . . . . . . . . . . . . . . . . . . 9
7.1. Normative References . . . . . . . . . . . . . . . . . . 8 7. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 9
7.2. Informative References . . . . . . . . . . . . . . . . . 9 8. References . . . . . . . . . . . . . . . . . . . . . . . . . 9
8.1. Normative References . . . . . . . . . . . . . . . . . . 9
8.2. Informative References . . . . . . . . . . . . . . . . . 11
8.3. URIs . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Appendix A. Change History (To be removed by RFC Editor before Appendix A. Change History (To be removed by RFC Editor before
publication) . . . . . . . . . . . . . . . . . . . . 9 publication) . . . . . . . . . . . . . . . . . . . . 12
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 10 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 12
1. Introduction 1. Introduction
The Sieve Email Filtering Language [RFC5228] provides a number of The Sieve Email Filtering Language [RFC5228] provides a number of
action commands, some of which can generate additional messages on action commands, some of which can generate additional messages on
behalf of the user. Two such commands are defined by the Vacation behalf of the user. It is sometimes desirable to have an archive of
[RFC5230] and Notify [RFC5435] extensions. It is sometimes desirable the messages generated by these commands.
to have an archive of the messages generated by these commands.
This extension defines a new optional tagged argument ":fcc" to This extension defines a new optional tagged argument ":fcc" to
action commands which generate additional messages to allow a copy of action commands which generate additional messages to allow a copy of
the generated message to be filed into a target mailbox. the generated message to be filed into a target mailbox.
The capability string associated with this extension is "fcc". The capability string associated with this extension is "fcc".
Each action that generates additional messages will need to specify
how it interfacts with :fcc. This document also specifies the
interaction of :fcc with the Vacation [RFC5230] and Notify [RFC5435]
extensions.
2. Conventions Used in This Document 2. Conventions Used in This Document
Conventions for notations are as in Section 1.1 of [RFC5228], Conventions for notations are as in Section 1.1 of [RFC5228],
including use of the "Usage:" label for the definition of action and including use of the "Usage:" label for the definition of action and
tagged arguments syntax. tagged arguments syntax.
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in "OPTIONAL" in this document are to be interpreted as described in BCP
[RFC2119]. 14 [1] [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here.
3. Tagged Argument ":fcc" 3. Tagged Argument ":fcc"
For convenience, the "FCC" syntax element is defined here using ABNF For convenience, the "FCC" syntax element is defined here using ABNF
[RFC4234] so that it can be augmented by other extensions. [RFC4234] so that it can be augmented by other extensions.
FCC = ":fcc" <mailbox: string> FCC = ":fcc" <mailbox: string>
If the optional ":fcc" argument is specified with an action that If the optional ":fcc" argument is specified with an action that
generates an additional message, it instructs the Sieve interpreter generates an additional message, it instructs the Sieve interpreter
to file a copy of the generated message into the target mailbox. If to file a copy of the generated message into the target mailbox. The
the specified mailbox doesn't exist, the implementation MAY treat it syntax and semantics of the mailbox argument MUST match those of the
as an error, create the mailbox, or file the message into an mailbox argument to the "fileinto" action specified in Section 4.1 of
implementation-defined mailbox. [RFC5228]. If the specified mailbox doesn't exist, the
implementation MAY treat it as an error, create the mailbox, or file
the message into an implementation-defined mailbox.
3.1. Format of Filed Messages 3.1. Format of Filed Messages
Copies of messages filed into a mailbox via this extension are Copies of messages filed into a mailbox via this extension are
REQUIRED to be in Internet Message Format [RFC5322]. Some messages REQUIRED to be in Internet Message Format [RFC5322]. Some messages
generated by Sieve actions might already conform to this format and generated by Sieve actions might already conform to this format and
MAY be filed without modification. Messages generated in other MAY be filed without modification. Messages generated in other
formats MUST be encapsulated using constructs from [RFC5322] and MIME formats MUST be encapsulated using constructs from [RFC5322] and MIME
([RFC2045], [RFC2046], [RFC2047]). ([RFC2045], [RFC2046], [RFC2047]).
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are MIME-compliant and MAY be filed into the target mailbox without are MIME-compliant and MAY be filed into the target mailbox without
modification. modification.
Messages generated by other notification methods (e.g. "xmpp" Messages generated by other notification methods (e.g. "xmpp"
[RFC5437]) MUST be encapsulated per Section 3.1 before being filed. [RFC5437]) MUST be encapsulated per Section 3.1 before being filed.
The body of the filed message MUST include the :message parameter and The body of the filed message MUST include the :message parameter and
MAY include one or more of the :from, :importance, or :options MAY include one or more of the :from, :importance, or :options
parameters. The MIME-type(s) of the body part(s) used to encapsulate parameters. The MIME-type(s) of the body part(s) used to encapsulate
the parameters is an implementation decision. the parameters is an implementation decision.
3.4. Compatibility with the Reject and Extended Reject Actions An implementation MAY only support :fcc in conjunction with a subset
of the notification methods it supports. An error occurs if :fcc is
combined with a notification method that doesn't support it.
Notification methods that support :fcc can be discovered at run-time
using the mechanism described below (Section 3.3.1).
"fcc" MUST be incompatible with the "reject" and "ereject" [RFC5429] 3.3.1. Notification-Capability "fcc"
actions. Making "fcc" compatible with these actions violates the
SMTP [RFC5321] principle that a message is either delivered or
bounced back to the sender. Namely, the saved copy of the rejection
message will contain the original message.
It is an error for a script to use the ":fcc" tagged argument with This document defines a new notification-capability value "fcc" for
either "reject" or "ereject". use with the notify_method_capability test (see Section 5 of
[RFC5435]. For the "fcc" notification-capability, the
notify_method_capability test can match one of the following key-list
values:
3.5. Compatibility with Other Actions yes A copy of the notification message sent using the method
identified by the notification-uri can be filed into a target
mailbox.
no A copy of the notification message sent using the method
identified by the notification-uri can not be filed into a target
mailbox.
Example:
require ["enotify", "fcc"];
if notify_method_capability "xmpp:" "Fcc" "yes" {
notify :fcc "INBOX.Sent"
:message "You got mail"
"xmpp:ken@example.com?message;subject=SIEVE";
} else {
notify :fcc "INBOX.Sent"
:message "You got mail!"
"mailto:ken@example.com";
}
3.4. Compatibility with Other Actions
The "fcc" extension is not compatible with any Sieve action that does The "fcc" extension is not compatible with any Sieve action that does
not generate an additional message on behalf of the user. It is an not generate an additional message on behalf of the user. It is an
error for a script to use the ":fcc" tagged argument with any such error for a script to use the ":fcc" tagged argument with any such
action. action.
Future extensions that define actions that generate additional Future extensions that define actions that generate additional
messages on behalf of the user should describe their compatibility messages on behalf of the user should describe their compatibility
with ":fcc", and how to MIME-encapsulate the message, if required. with ":fcc", and how to MIME-encapsulate the message, if required.
3.6. Interaction with Fileinto Extensions 3.5. Interaction with Fileinto Extensions
The "fcc" extension can be used with some tagged arguments defined in The "fcc" extension can be used with some tagged arguments defined in
extensions to the "fileinto" action. The sections below describe its extensions to the "fileinto" action. The sections below describe its
interaction with currently defined extensions. Tagged arguments in interaction with currently defined extensions. Tagged arguments in
future extensions to the "fileinto" command should describe their future extensions to the "fileinto" command should describe their
interaction with ":fcc", if any. interaction with ":fcc", if any.
3.6.1. Imap4flags Extension When any "fileinto" extension arguments are used with ":fcc", the
MUST have the same syntax and semantics as they do with "fileinto".
3.5.1. Imap4flags Extension
This document extends the definition of the ":flags" [RFC5232] tagged This document extends the definition of the ":flags" [RFC5232] tagged
argument so that it can optionally be used with the ":fcc" argument. argument so that it can optionally be used with the ":fcc" argument.
FCC =/ [":flags" <list-of-flags: string-list>] FCC =/ [":flags" <list-of-flags: string-list>]
If the optional ":flags" argument is specified with ":fcc", it If the optional ":flags" argument is specified with ":fcc", it
instructs the Sieve interpreter to set the IMAP4 flags provided in instructs the Sieve interpreter to set the IMAP4 flags provided in
the subsequent argument when the generated message is filed into the the subsequent argument when the generated message is filed into the
target mailbox. target mailbox.
3.6.2. Mailbox Extension 3.5.2. Mailbox Extension
This document extends the definition of the ":create" [RFC5490] This document extends the definition of the ":create" [RFC5490]
tagged argument so that it can optionally be used with the ":fcc" tagged argument so that it can optionally be used with the ":fcc"
argument. argument.
FCC =/ [":create"] FCC =/ [":create"]
If the optional ":create" argument is specified with ":fcc", it If the optional ":create" argument is specified with ":fcc", it
instructs the Sieve interpreter to create the target mailbox, if instructs the Sieve interpreter to create the target mailbox, if
needed, before attempting to file the generated message into the needed, before attempting to file the generated message into the
target mailbox. target mailbox.
3.6.3. Special-Use Extension 3.5.3. Special-Use Extension
This document extends the definition of the ":specialuse" This document extends the definition of the ":specialuse"
[I-D.ietf-extra-sieve-special-use] tagged argument so that it can [I-D.ietf-extra-sieve-special-use] tagged argument so that it can
optionally be used with the ":fcc" argument. optionally be used with the ":fcc" argument.
FCC =/ [":specialuse <special-use-flag: string>"] FCC =/ [":specialuse <special-use-flag: string>"]
If the optional ":specialuse" argument is specified with ":fcc", it If the optional ":specialuse" argument is specified with ":fcc", it
instructs the Sieve interpreter to check whether a mailbox exists instructs the Sieve interpreter to check whether a mailbox exists
with the specific special-use flag assigned to it. If such a mailbox with the specific special-use flag assigned to it. If such a mailbox
exists, the generated message is filed into the special-use mailbox. exists, the generated message is filed into the special-use mailbox.
Otherwise, the generated message is filed into the target mailbox. Otherwise, the generated message is filed into the target mailbox.
If both the optional ":specialuse" and ":create" arguments are If both the optional ":specialuse" and ":create" arguments are
specified with ":fcc", the Sieve interpreter is instructed to create specified with ":fcc", the Sieve interpreter is instructed to create
the target mailbox per Section 4.1 of the target mailbox per Section 4.1 of
[I-D.ietf-extra-sieve-special-use], if needed. [I-D.ietf-extra-sieve-special-use], if needed.
3.6.4. Extended Example 3.5.4. Extended Example
require ["vacation", "fcc", "mailbox", "special-use", "imap4flags"]; require ["vacation", "fcc", "mailbox", "special-use", "imap4flags"];
vacation :days 7 vacation :days 7
:from "hemingway@example.com" "Gone Fishin'" :from "hemingway@example.com" "Gone Fishin'"
:fcc "INBOX.Sent" :specialuse "\\Sent" :create :flags ["\\Seen"]; :fcc "INBOX.Sent" :specialuse "\\Sent" :create :flags ["\\Seen"];
4. Security Considerations 4. Implementation Status
< RFC Editor: before publication please remove this section and the
reference to [RFC7942] >
This section records the status of known implementations of the
protocol defined by this specification at the time of posting of this
Internet-Draft, and is based on a proposal described in [RFC7942].
The description of implementations in this section is intended to
assist the IETF in its decision processes in progressing drafts to
RFCs. Please note that the listing of any individual implementation
here does not imply endorsement by the IETF. Furthermore, no effort
has been spent to verify the information presented here that was
supplied by IETF contributors. This is not intended as, and must not
be construed to be, a catalog of available implementations or their
features. Readers are advised to note that other implementations may
exist.
According to [RFC7942], "this will allow reviewers and working groups
to assign due consideration to documents that have the benefit of
running code, which may serve as evidence of valuable experimentation
and feedback that have made the implemented protocols more mature.
It is up to the individual working groups to use this information as
they see fit".
4.1. Cyrus Server
The open source Cyrus Server [2] project is a highly scalable
enterprise mail system which supports Sieve email filtering at the
point of final delivery. This production level Sieve implementation
supports all of the requirements described in this document. This
implementation is freely distributable under a BSD style license from
Computing Services at Carnegie Mellon University [3].
5. Security Considerations
The "fcc" extension does not raise any other security considerations The "fcc" extension does not raise any other security considerations
that are not already present in [RFC5228], [RFC5230], [RFC5435], and that are not already present in [RFC5228], [RFC5230], [RFC5435], and
[RFC6131]. [RFC6131].
5. IANA Considerations 6. IANA Considerations
5.1. Registration of Sieve Extension 6.1. Registration of Sieve Extension
To: iana@iana.org To: iana@iana.org
Subject: Registration of new Sieve extension Subject: Registration of new Sieve extension
Capability name: fcc Capability name: fcc
Description: Adds the ":fcc" parameter to Sieve action commands Description: Adds the ":fcc" parameter to Sieve action commands
that generate additional messages. that generate additional messages.
RFC number: RFC XXXX RFC number: RFC XXXX
Contact address: The Sieve discussion list <sieve@ietf.org> Contact address: The Sieve discussion list <sieve@ietf.org>
6. Acknowledgments 6.2. Registration of Notification-Capability Parameter
To: iana@iana.org
Subject: Registration of a new notification-capability parameter
Capability name: fcc
Description: Returns whether a copy of the notification message
sent using the method identified by the notification-uri parameter
to the notify_method_capability test can be filed into a target
mailbox.
Syntax: Can contain one of two values: "yes" or "no". Values MUST
be in lowercase.
Permanent and readily available reference(s): This RFC
Contact information: The Sieve discussion list <ietf-mta-
filters@imc.org>
7. Acknowledgments
The authors would like to thank the following individuals for The authors would like to thank the following individuals for
contributing their ideas and support for writing this specification: contributing their ideas and support for writing this specification:
Ned Freed, Stan Kalisch, and Alexey Melnikov. Ned Freed, Stan Kalisch, and Alexey Melnikov.
7. References 8. References
7.1. Normative References
8.1. Normative References
[I-D.ietf-extra-sieve-special-use] [I-D.ietf-extra-sieve-special-use]
Bosch, S., "Sieve Email Filtering: Delivering to Special- Bosch, S., "Sieve Email Filtering: Delivering to Special-
Use Mailboxes", draft-ietf-extra-sieve-special-use-02 Use Mailboxes", draft-ietf-extra-sieve-special-use-02
(work in progress), March 2018. (work in progress), March 2018.
[RFC2045] Freed, N. and N. Borenstein, "Multipurpose Internet Mail [RFC2045] Freed, N. and N. Borenstein, "Multipurpose Internet Mail
Extensions (MIME) Part One: Format of Internet Message Extensions (MIME) Part One: Format of Internet Message
Bodies", RFC 2045, DOI 10.17487/RFC2045, November 1996, Bodies", RFC 2045, DOI 10.17487/RFC2045, November 1996,
<https://www.rfc-editor.org/info/rfc2045>. <https://www.rfc-editor.org/info/rfc2045>.
skipping to change at page 9, line 15 skipping to change at page 11, line 10
[RFC5435] Melnikov, A., Ed., Leiba, B., Ed., Segmuller, W., and T. [RFC5435] Melnikov, A., Ed., Leiba, B., Ed., Segmuller, W., and T.
Martin, "Sieve Email Filtering: Extension for Martin, "Sieve Email Filtering: Extension for
Notifications", RFC 5435, DOI 10.17487/RFC5435, January Notifications", RFC 5435, DOI 10.17487/RFC5435, January
2009, <https://www.rfc-editor.org/info/rfc5435>. 2009, <https://www.rfc-editor.org/info/rfc5435>.
[RFC5490] Melnikov, A., "The Sieve Mail-Filtering Language -- [RFC5490] Melnikov, A., "The Sieve Mail-Filtering Language --
Extensions for Checking Mailbox Status and Accessing Extensions for Checking Mailbox Status and Accessing
Mailbox Metadata", RFC 5490, DOI 10.17487/RFC5490, March Mailbox Metadata", RFC 5490, DOI 10.17487/RFC5490, March
2009, <https://www.rfc-editor.org/info/rfc5490>. 2009, <https://www.rfc-editor.org/info/rfc5490>.
7.2. Informative References [RFC8174] Leiba, B., "Ambiguity of Uppercase vs Lowercase in RFC
2119 Key Words", BCP 14, RFC 8174, DOI 10.17487/RFC8174,
May 2017, <https://www.rfc-editor.org/info/rfc8174>.
8.2. Informative References
[RFC5321] Klensin, J., "Simple Mail Transfer Protocol", RFC 5321, [RFC5321] Klensin, J., "Simple Mail Transfer Protocol", RFC 5321,
DOI 10.17487/RFC5321, October 2008, DOI 10.17487/RFC5321, October 2008,
<https://www.rfc-editor.org/info/rfc5321>. <https://www.rfc-editor.org/info/rfc5321>.
[RFC5429] Stone, A., Ed., "Sieve Email Filtering: Reject and [RFC5429] Stone, A., Ed., "Sieve Email Filtering: Reject and
Extended Reject Extensions", RFC 5429, Extended Reject Extensions", RFC 5429,
DOI 10.17487/RFC5429, March 2009, DOI 10.17487/RFC5429, March 2009,
<https://www.rfc-editor.org/info/rfc5429>. <https://www.rfc-editor.org/info/rfc5429>.
skipping to change at page 9, line 39 skipping to change at page 11, line 38
[RFC5437] Saint-Andre, P. and A. Melnikov, "Sieve Notification [RFC5437] Saint-Andre, P. and A. Melnikov, "Sieve Notification
Mechanism: Extensible Messaging and Presence Protocol Mechanism: Extensible Messaging and Presence Protocol
(XMPP)", RFC 5437, DOI 10.17487/RFC5437, January 2009, (XMPP)", RFC 5437, DOI 10.17487/RFC5437, January 2009,
<https://www.rfc-editor.org/info/rfc5437>. <https://www.rfc-editor.org/info/rfc5437>.
[RFC6131] George, R. and B. Leiba, "Sieve Vacation Extension: [RFC6131] George, R. and B. Leiba, "Sieve Vacation Extension:
"Seconds" Parameter", RFC 6131, DOI 10.17487/RFC6131, July "Seconds" Parameter", RFC 6131, DOI 10.17487/RFC6131, July
2011, <https://www.rfc-editor.org/info/rfc6131>. 2011, <https://www.rfc-editor.org/info/rfc6131>.
[RFC7942] Sheffer, Y. and A. Farrel, "Improving Awareness of Running
Code: The Implementation Status Section", BCP 205,
RFC 7942, DOI 10.17487/RFC7942, July 2016,
<https://www.rfc-editor.org/info/rfc7942>.
8.3. URIs
[1] https://tools.ietf.org/html/bcp14
[2] http://www.cyrusimap.org/
[3] http://www.cmu.edu/computing/
Appendix A. Change History (To be removed by RFC Editor before Appendix A. Change History (To be removed by RFC Editor before
publication) publication)
Changes since draft-ietf-extra-sieve-fcc-02:
o Updated Keywords boilerplate.
o Noted that :fcc mailbox argument and any fileinto extension
arguments used wth :fcc have the same syntax and semantics as they
have with fileinto.
o Removed section on [e]Reject.
o Added "fcc" notification-capability.
o Added Implementation Status section.
o Editorial changes from Ned Freed.
Changes since draft-ietf-extra-sieve-fcc-01: Changes since draft-ietf-extra-sieve-fcc-01:
o Added text discussing how to handle generated messages that are o Added text discussing how to handle generated messages that are
not in MIME format. not in MIME format.
o Adjusted ABNF so that tagged arguments that supplement :fcc no o Adjusted ABNF so that tagged arguments that supplement :fcc no
longer appear as positional. longer appear as positional.
Changes since draft-ietf-extra-sieve-fcc-00: Changes since draft-ietf-extra-sieve-fcc-00:
skipping to change at page 10, line 16 skipping to change at page 13, line 4
o Prohibit use of :fcc with reject and ereject extensions. o Prohibit use of :fcc with reject and ereject extensions.
o Added registration of the extension with IANA. o Added registration of the extension with IANA.
o Added Acknowledgments. o Added Acknowledgments.
o Minor editorial changes. o Minor editorial changes.
Authors' Addresses Authors' Addresses
Kenneth Murchison Kenneth Murchison
FastMail Pty Ltd FastMail US LLC
Level 2, 114 William Street 1315 Walnut Street - Suite 320
Melbourne, VIC 3000 Philadelphia, PA 19107
Australia USA
Email: murch@fastmailteam.com Email: murch@fastmailteam.com
Bron Gondwana Bron Gondwana
FastMail Pty Ltd FastMail Pty Ltd
Level 2, 114 William Street Level 2, 114 William Street
Melbourne, VIC 3000 Melbourne, VIC 3000
Australia Australia
Email: brong@fastmailteam.com Email: brong@fastmailteam.com
 End of changes. 30 change blocks. 
59 lines changed or deleted 183 lines changed or added

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