draft-ietf-jmap-mdn-13.txt		draft-ietf-jmap-mdn-14.txt
	JMAP R. Ouazana, Ed.		JMAP R. Ouazana, Ed.
	Internet-Draft Linagora		Internet-Draft Linagora
	Intended status: Standards Track July 2, 2020		Intended status: Standards Track July 24, 2020
	Expires: January 3, 2021		Expires: January 25, 2021
	Handling Message Disposition Notification with JMAP		Handling Message Disposition Notification with JMAP
	draft-ietf-jmap-mdn-13		draft-ietf-jmap-mdn-14
	Abstract		Abstract
	JMAP (RFC8620 - JSON Meta Application Protocol) is a generic protocol		This document specifies a data model for handling Message Disposition
	for synchronising data, such as mail, calendars or contacts, between		Notifications (MDNs, RFC 8098) in the JSON Meta Application Protocol
	a client and a server. It is optimised for mobile and web		(JMAP, RFCs 8620 and 8621).
	environments, and aims to provide a consistent interface to different
	data types.
	JMAP for Mail (RFC8621 - The JSON Meta Application Protocol (JMAP)
	for Mail) specifies a data model for synchronising email data with a
	server using JMAP. Clients can use this to efficiently search,
	access, organise, and send messages.
	MDN are defined in RFC8098 and are used as "read receipts",
	"acknowledgements", or "receipt notifications".
	MDN have a specific format that must be parsed or generated. The
	goal of this document is to specify a data model for handling MDN
	messages with a server using JMAP.
	Status of This Memo		Status of This Memo
	This Internet-Draft is submitted in full conformance with the		This Internet-Draft is submitted in full conformance with the
	provisions of BCP 78 and BCP 79.		provisions of BCP 78 and BCP 79.
	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 January 3, 2021.		This Internet-Draft will expire on January 25, 2021.
	Copyright Notice		Copyright Notice
	Copyright (c) 2020 IETF Trust and the persons identified as the		Copyright (c) 2020 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
	skipping to change at page 2, line 25 ¶		skipping to change at page 2, line 10 ¶
	to this document. Code Components extracted from this document must		to this document. Code Components extracted from this document must
	include Simplified BSD License text as described in Section 4.e of		include Simplified BSD License text as described in Section 4.e of
	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
	1.1. Notational conventions . . . . . . . . . . . . . . . . . 3		1.1. Notational conventions . . . . . . . . . . . . . . . . . 3
	1.2. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3		1.2. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
	1.3. Addition to the capabilities object . . . . . . . . . . . 4		1.3. Addition to the capabilities object . . . . . . . . . . . 3
	2. MDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4		2. MDN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
	2.1. MDN/send . . . . . . . . . . . . . . . . . . . . . . . . 5		2.1. MDN/send . . . . . . . . . . . . . . . . . . . . . . . . 5
	2.2. MDN/parse . . . . . . . . . . . . . . . . . . . . . . . . 7		2.2. MDN/parse . . . . . . . . . . . . . . . . . . . . . . . . 7
	3. Samples . . . . . . . . . . . . . . . . . . . . . . . . . . . 8		3. Samples . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
	3.1. Sending an MDN for a received email . . . . . . . . . . . 8		3.1. Sending an MDN for a received email message . . . . . . . 8
	3.2. Asking for MDN when sending an email . . . . . . . . . . 9		3.2. Asking for MDN when sending an email message . . . . . . 9
	3.3. Parsing a received MDN . . . . . . . . . . . . . . . . . 10		3.3. Parsing a received MDN . . . . . . . . . . . . . . . . . 10
	4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 11		4. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 11
	4.1. JMAP Capability Registration for "mdn" . . . . . . . . . 11		4.1. JMAP Capability Registration for "mdn" . . . . . . . . . 11
	4.2. JMAP Error Codes Registry . . . . . . . . . . . . . . . . 12		4.2. JMAP Error Codes Registry . . . . . . . . . . . . . . . . 12
	4.2.1. mdnAlreadySent . . . . . . . . . . . . . . . . . . . 12
	5. Security considerations . . . . . . . . . . . . . . . . . . . 12		5. Security considerations . . . . . . . . . . . . . . . . . . . 12
	6. References . . . . . . . . . . . . . . . . . . . . . . . . . 12		6. Normative References . . . . . . . . . . . . . . . . . . . . 12
	6.1. Normative References . . . . . . . . . . . . . . . . . . 12
	6.2. Informative References . . . . . . . . . . . . . . . . . 13
	Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 13		Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 13
	1. Introduction		1. Introduction
	JMAP ([RFC8620] - JSON Meta Application Protocol) is a generic		JMAP ([RFC8620] - JSON Meta Application Protocol) is a generic
	protocol for synchronising data, such as mail, calendars or contacts,		protocol for synchronising data, such as mail, calendars or contacts,
	between a client and a server. It is optimised for mobile and web		between a client and a server. It is optimised for mobile and web
	environments, and aims to provide a consistent interface to different		environments, and provides a consistent interface to different data
	data types.		types.
	JMAP for Mail ([RFC8621] - The JSON Meta Application Protocol (JMAP)		JMAP for Mail ([RFC8621] - The JSON Meta Application Protocol (JMAP)
	for Mail) specifies a data model for synchronising email data with a		for Mail) specifies a data model for synchronising email data with a
	server using JMAP. Clients can use this to efficiently search,		server using JMAP. Clients can use this to efficiently search,
	access, organise, and send messages.		access, organise, and send messages.
	MDN are defined in [RFC8098] and are used as "read receipts",		Message Disposition Notifications (MDNs) are defined in [RFC8098] and
	"acknowledgements", or "receipt notifications".		are used as "read receipts", "acknowledgements", or "receipt
			notifications".
	A client can have to deal with MDN in different ways:		A client can have to deal with MDNs in different ways:
	1. When receiving an email, an MDN can be sent to the sender. This		1. When receiving an email message, an MDN can be sent to the
	specification defines an MDN/send method to cover this case.		sender. This specification defines an MDN/send method to cover
			this case.
	2. When sending an email, an MDN can be requested. This must be		2. When sending an email message, an MDN can be requested. This
	done with the help of a header, and is already specified by		must be done with the help of a header, and is already specified
	[RFC8098] and can already be handled by [RFC8621] this way.		by [RFC8098] and can already be handled by [RFC8621] this way.
	3. When receiving an MDN, the MDN could be related to an existing		3. When receiving an MDN, the MDN could be related to an existing
	sent mail. This is already covered by [RFC8621] in the		sent message. This is already covered by [RFC8621] in the
	EmailSubmission object. Client might want to display detailed		EmailSubmission object. A client might want to display detailed
	information about a received MDN. This specification defines an		information about a received MDN. This specification defines an
	MDN/parse method to cover this case.		MDN/parse method to cover this case.
	1.1. Notational conventions		1.1. Notational conventions
	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 BCP		"OPTIONAL" in this document are to be interpreted as described in BCP
	14 [RFC2119] [RFC8174] when, and only when, they appear in all		14 [RFC2119] [RFC8174] when, and only when, they appear in all
	capitals, as shown here.		capitals, as shown here.
	skipping to change at page 3, line 46 ¶		skipping to change at page 3, line 32 ¶
	document.		document.
	Servers MUST support all properties specified for the new data types		Servers MUST support all properties specified for the new data types
	defined in this document.		defined in this document.
	1.2. Terminology		1.2. Terminology
	The same terminology is used in this document as in the core JMAP		The same terminology is used in this document as in the core JMAP
	specification.		specification.
	Keywords being case insensitive in IMAP but JSON being case		Because keywords are case-insensitive in IMAP but case-sensitive in
	sensitive, the "$mdnsent" keyword MUST always be used in lowercase.		JMAP, the "$mdnsent" keyword MUST always be used in lowercase.
	1.3. Addition to the capabilities object		1.3. Addition to the capabilities object
	Capabilities are announced as part of the standard JMAP Session		Capabilities are announced as part of the standard JMAP Session
	resource; see [RFC8620], section 2.		resource; see [RFC8620], section 2. This defines a new capability,
			"urn:ietf:params:jmap:mdn".
	The capability "urn:ietf:params:jmap:mdn" being present in the		The capability "urn:ietf:params:jmap:mdn" being present in the
	"accountCapabilities" property of an account represents support for		"accountCapabilities" property of an account represents support for
	the "MDN" data type, parsing MDN via the "MDN/parse" method, and		the "MDN" data type, parsing MDNs via the "MDN/parse" method, and
	creating and sending MDN messages via the "MDN/send" method. Servers		creating and sending MDN messages via the "MDN/send" method. Servers
	that include the capability in one or more "accountCapabilities"		that include the capability in one or more "accountCapabilities"
	properties MUST also include the property in the "capabilities"		properties MUST also include the property in the "capabilities"
	property.		property.
	The value of this "urn:ietf:params:jmap:mdn" property is an empty		The value of this "urn:ietf:params:jmap:mdn" property is an empty
	object in the account's "accountCapabilities" property.		object in the account's "accountCapabilities" property.
	2. MDN		2. MDN
	An *MDN* object has the following properties:		An *MDN* object has the following properties:
	o forEmailId: "Id|null" Email Id of the received email this MDN is		o forEmailId: "Id|null" Email Id of the received message this MDN is
	relative to. This property MUST NOT be null for "MDN/send", but		relative to. This property MUST NOT be null for "MDN/send", but
	may be null in the response from the "MDN/parse" method.		may be null in the response from the "MDN/parse" method.
	o subject: "String|null" Subject used as "Subject" header for this		o subject: "String|null" Subject used as "Subject" header for this
	MDN.		MDN.
	o textBody: "String|null" Human readable part of the MDN, as plain		o textBody: "String|null" Human readable part of the MDN, as plain
	text.		text.
	o includeOriginalMessage: "Boolean" (default: false). If "true",		o includeOriginalMessage: "Boolean" (default: false). If "true",
	skipping to change at page 5, line 48 ¶		skipping to change at page 5, line 33 ¶
	The MDN/send method sends an [RFC5322] message from an MDN object.		The MDN/send method sends an [RFC5322] message from an MDN object.
	When calling this method the "using" property of the Request object		When calling this method the "using" property of the Request object
	MUST contain the capabilities "urn:ietf:params:jmap:mdn" and		MUST contain the capabilities "urn:ietf:params:jmap:mdn" and
	"urn:ietf:params:jmap:mail". The latter because of the implicit call		"urn:ietf:params:jmap:mail". The latter because of the implicit call
	to Email/set and the use of Identities, described below. The method		to Email/set and the use of Identities, described below. The method
	takes the following arguments:		takes the following arguments:
	o accountId: "Id" The id of the account to use.		o accountId: "Id" The id of the account to use.
	o identityId: "Id" The id of the Identity to associate with these		o identityId: "Id" The id of the Identity to associate with these
	MDN. The server will use this identity to define the sender of		MDNs. The server will use this identity to define the sender of
	the MDN and to set the finalRecipient field.		the MDNs and to set the finalRecipient field.
	o send: "Id[MDN]" A map of creation id (client specified) to MDN		o send: "Id[MDN]" A map of creation id (client specified) to MDN
	objects.		objects.
	o onSuccessUpdateEmail: "Id[PatchObject]|null" A map of id to an		o onSuccessUpdateEmail: "Id[PatchObject]|null" A map of id to an
	object containing properties to update on the Email object		object containing properties to update on the Email object
	referenced by the "MDN/send" if the sending succeeds. This will		referenced by the "MDN/send" if the sending succeeds. This will
	always be a backreference to the creation id (see example below in		always be a backward reference to the creation id (see example
	Section 3.1).		below in Section 3.1).
	The response has the following arguments:		The response has the following arguments:
	o accountId: "Id" The id of the account used for the call.		o accountId: "Id" The id of the account used for the call.
	o sent: "Id[MDN]|null" A map of creation id to MDN containing any		o sent: "Id[MDN]|null" A map of creation id to MDN containing any
	properties that were not set by the client. This includes any		properties that were not set by the client. This includes any
	properties that were omitted by the client and thus set to a		properties that were omitted by the client and thus set to a
	default by the server. This argument is null if no MDN objects		default by the server. This argument is null if no MDN objects
	were successfully sent.		were successfully sent.
	skipping to change at page 6, line 37 ¶		skipping to change at page 6, line 23 ¶
	o notFound: The reference Email Id cannot be found, or has no valid		o notFound: The reference Email Id cannot be found, or has no valid
	"Disposition-Notification-To" header.		"Disposition-Notification-To" header.
	o forbidden: MDN/send would violate an ACL or other permissions		o forbidden: MDN/send would violate an ACL or other permissions
	policy.		policy.
	o forbiddenFrom: The user is not allowed to use the given		o forbiddenFrom: The user is not allowed to use the given
	finalRecipient property.		finalRecipient property.
	o overQuota: MDN/send would exceed a server-defined limit on the		o overQuota: MDN/send would exceed a server-defined limit on the
	number or total size of sent MDN. It could include limitations on		number or total size of sent MDNs. It could include limitations
	sent emails.		on sent messages.
	o tooLarge: MDN/send would result in an MDN that exceeds a server-		o tooLarge: MDN/send would result in an MDN that exceeds a server-
	defined limit for the maximum size of an MDN, or more generally on		defined limit for the maximum size of an MDN, or more generally on
	emails.		email message.
	o rateLimit: Too many MDN or emails have been created recently, and		o rateLimit: Too many MDNs or email messages have been created
	a server-defined rate limit has been reached. It may work if		recently, and a server-defined rate limit has been reached. It
	tried again later.		may work if tried again later.
	o invalidProperties: The record given is invalid in some way.		o invalidProperties: The record given is invalid in some way.
	The following is a new SetError:		The following is a new SetError:
	o mdnAlreadySent: The message has the "$mdnsent" keyword already		o mdnAlreadySent: The message has the "$mdnsent" keyword already
	set.		set.
	If the accountId or identityId given cannot be found, the method call		If the accountId or identityId given cannot be found, the method call
	is rejected with an "invalidArguments" error.		is rejected with an "invalidArguments" error.
	The client SHOULD NOT issue an MDN/send request if the message has		The client SHOULD NOT issue an MDN/send request if the message has
	the "$mdnsent" keyword set.		the "$mdnsent" keyword set.
	When sending the MDN, the server is in charge of generating the		When sending the MDN, the server is in charge of generating the
	"originalRecipient", "finalRecipient" and "originalMessageId" fields		"originalRecipient", "finalRecipient" and "originalMessageId" fields
	according to the [RFC8098] specification.		according to the [RFC8098] specification.
	The client is expected to explicitly update each "Email" for which an		The client is expected to explicitly update each "Email" for which an
	"MDN/send" has been invoked in order to set the "$mdnsent" keyword on		"MDN/send" has been invoked in order to set the "$mdnsent" keyword on
	these emails. To ensure that, the server MUST reject an "MDN/send"		these messages. To ensure that, the server MUST reject an "MDN/send"
	which does not result in setting the keyword "$mdnsent". Thus the		which does not result in setting the keyword "$mdnsent". Thus the
	server MUST check that the "onSuccessUpdateEmail" property of the		server MUST check that the "onSuccessUpdateEmail" property of the
	method is correctly set to update this keyword.		method is correctly set to update this keyword.
	2.2. MDN/parse		2.2. MDN/parse
	This method allows a client to parse blobs as [RFC5322] messages to		This method allows a client to parse blobs as [RFC5322] messages to
	get MDN objects. This can be used to parse and get detailed		get MDN objects. This can be used to parse and get detailed
	information about blobs referenced in the "mdnBlobIds" of the		information about blobs referenced in the "mdnBlobIds" of the
	EmailSubmission object, or any email the client could expect to be an		EmailSubmission object, or any email message the client could expect
	MDN.		to be an MDN.
	The "forEmailId" property can be null or missing if the		The "forEmailId" property can be null or missing if the
	"originalMessageId" property is missing, not referencing an existing		"originalMessageId" property is missing or does not refer to an
	email or if the server cannot efficiently calculate the related email		existing message, or if the server cannot efficiently calculate the
	(for example if several emails get the same "Message-Id" header).		related message (for example, if several messages get the same
			"Message-Id" header).
	The MDN/parse method takes the following arguments:		The MDN/parse method takes the following arguments:
	o accountId: "Id" The id of the account to use.		o accountId: "Id" The id of the account to use.
	o blobIds: "Id[]" The ids of the blobs to parse.		o blobIds: "Id[]" The ids of the blobs to parse.
	The response has the following arguments:		The response has the following arguments:
	o accountId: "Id" The id of the account used for the call.		o accountId: "Id" The id of the account used for the call.
	skipping to change at page 8, line 20 ¶		skipping to change at page 8, line 10 ¶
	o requestTooLarge: The number of ids requested by the client exceeds		o requestTooLarge: The number of ids requested by the client exceeds
	the maximum number the server is willing to process in a single		the maximum number the server is willing to process in a single
	method call.		method call.
	o invalidArguments: If the accountId given cannot be found, the MDN		o invalidArguments: If the accountId given cannot be found, the MDN
	parsing is rejected with an "invalidArguments" error.		parsing is rejected with an "invalidArguments" error.
	3. Samples		3. Samples
	3.1. Sending an MDN for a received email		3.1. Sending an MDN for a received email message
	A client can use the following request to send an MDN back to the		A client can use the following request to send an MDN back to the
	sender:		sender:
	[[ "MDN/send", {		[[ "MDN/send", {
	"accountId": "ue150411c",		"accountId": "ue150411c",
	"identityId": "I64588216",		"identityId": "I64588216",
	"send": {		"send": {
	"k1546": {		"k1546": {
	"forEmailId": "Md45b47b4877521042cec0938",		"forEmailId": "Md45b47b4877521042cec0938",
	"subject": "Read receipt for: World domination",		"subject": "Read receipt for: World domination",
	"textBody": "This receipt shows that the email has been		"textBody": "This receipt shows that the email has been
	displayed on your recipient's computer. There is no		displayed on your recipient's computer. There is no
	guaranty it has been read or understood.",		guaranty it has been read or understood.",
	"reportingUA": "linagora.com; OpenPaaS",		"reportingUA": "joes-pc.cs.example.com; Foomail 97.1",
	"disposition": {		"disposition": {
	"actionMode": "manual-action",		"actionMode": "manual-action",
	"sendingMode": "mdn-sent-manually",		"sendingMode": "mdn-sent-manually",
	"type": "displayed"		"type": "displayed"
	},		},
	"extension": {		"extension": {
	"X-EXTENSION-EXAMPLE": "example.com"		"X-EXTENSION-EXAMPLE": "example.com"
	}		}
	}		}
	},		},
	"onSuccessUpdateEmail": {		"onSuccessUpdateEmail": {
	"#k1546": {		"#k1546": {
	"keywords/$mdnsent": true		"keywords/$mdnsent": true
	}		}
	}		}
	}, "0" ]]		}, "0" ]]
	If the email id matches an existing email without the "$mdnsent"		If the email id matches an existing email message without the
	keyword, the server can answer:		"$mdnsent" keyword, the server can answer:
	[[ "MDN/send", {		[[ "MDN/send", {
	"accountId": "ue150411c",		"accountId": "ue150411c",
	"sent": {		"sent": {
	"k1546": {		"k1546": {
	"finalRecipient": "rfc822; john@example.com",		"finalRecipient": "rfc822; john@example.com",
	"originalMessageId": "<1521557867.2614.0.camel@apache.org>"		"originalMessageId": "<199509192301.23456@example.org>"
			}
	}		}
	}		}, "0" ],
	}, "0" ],		[ "Email/set", {
	[ "Email/set", {		"accountId": "ue150411c",
	"accountId": "ue150411c",		"oldState": "23",
	"oldState": "23",		"newState": "42",
	"newState": "42",		"updated": {
	"updated": {		"Md45b47b4877521042cec0938": {}
	"Md45b47b4877521042cec0938": {}		}
	}		}, "0" ]]
	}, "0" ]]
	If the "$mdnsent" keyword has already been set, the server can answer		If the "$mdnsent" keyword has already been set, the server can answer
	an error:		an error:
	[[ "MDN/send", {		[[ "MDN/send", {
	"accountId": "ue150411c",		"accountId": "ue150411c",
	"notSent": {		"notSent": {
	"k1546": {		"k1546": {
	"type": "mdnAlreadySent",		"type": "mdnAlreadySent",
	"description" : "$mdnsent keyword is already present"		"description" : "$mdnsent keyword is already present"
	}		}
	}		}
	}, "0" ]]		}, "0" ]]
	3.2. Asking for MDN when sending an email		3.2. Asking for MDN when sending an email message
	This is done with the [RFC8621] "Email/set" "create" method.		This is done with the [RFC8621] "Email/set" "create" method.
	[[ "Email/set", {		[[ "Email/set", {
	"accountId": "ue150411c",		"accountId": "ue150411c",
	"create": {		"create": {
	"k1546": {		"k1546": {
	"mailboxIds": {		"mailboxIds": {
	"2ea1ca41b38e": true		"2ea1ca41b38e": true
	},		},
	skipping to change at page 10, line 32 ¶		skipping to change at page 10, line 32 ¶
	"email": "john@example.com"		"email": "john@example.com"
	}],		}],
	"header:Disposition-Notification-To:asText": "joe@example.com",		"header:Disposition-Notification-To:asText": "joe@example.com",
	"subject": "World domination",		"subject": "World domination",
	...		...
	}		}
	}		}
	}, "0" ]]		}, "0" ]]
	Note the specified "Disposition-Notification-To" header indicating		Note the specified "Disposition-Notification-To" header indicating
	where to send MDN back (usually the sender of the email).		where to send MDN back (usually the sender of the message).
	3.3. Parsing a received MDN		3.3. Parsing a received MDN
	The client issues a parse request:		The client issues a parse request:
	[[ "MDN/parse", {		[[ "MDN/parse", {
	"accountId": "ue150411c",		"accountId": "ue150411c",
	"blobIds: [ "0f9f65ab-dc7b-4146-850f-6e4881093965" ]		"blobIds": [ "0f9f65ab-dc7b-4146-850f-6e4881093965" ]
	}, "0" ]]		}, "0" ]]
	The server responds:		The server responds:
	[[ "MDN/parse", {		[[ "MDN/parse", {
	"accountId": "ue150411c",		"accountId": "ue150411c",
	"parsed": {		"parsed": {
	"0f9f65ab-dc7b-4146-850f-6e4881093965": {		"0f9f65ab-dc7b-4146-850f-6e4881093965": {
	"forEmailId": "Md45b47b4877521042cec0938",		"forEmailId": "Md45b47b4877521042cec0938",
	"subject": "Read receipt for: World domination",		"subject": "Read receipt for: World domination",
	"textBody": "This receipt shows that the email has been		"textBody": "This receipt shows that the email has been
	displayed on your recipient's computer. There is no		displayed on your recipient's computer. There is no
	guaranty it has been read or understood.",		guaranty it has been read or understood.",
	"reportingUA": "linagora.com; OpenPaaS",		"reportingUA": "joes-pc.cs.example.com; Foomail 97.1",
	"disposition": {		"disposition": {
	"actionMode": "manual-action",		"actionMode": "manual-action",
	"sendingMode": "mdn-sent-manually",		"sendingMode": "mdn-sent-manually",
	"type": "displayed"		"type": "displayed"
	},		},
	"finalRecipient": "rfc822; john@example.com",		"finalRecipient": "rfc822; john@example.com",
	"originalMessageId": "<1521557867.2614.0.camel@apache.org>"		"originalMessageId": "<199509192301.23456@example.org>"
			}
	}		}
	}		}, "0" ]]
	}, "0" ]]
	In case of a not found blobId, the server would respond:		In case of a not found blobId, the server would respond:
	[[ "MDN/parse", {		[[ "MDN/parse", {
	"accountId": "ue150411c",		"accountId": "ue150411c",
	"notFound": [ "0f9f65ab-dc7b-4146-850f-6e4881093965" ]		"notFound": [ "0f9f65ab-dc7b-4146-850f-6e4881093965" ]
	}, "0" ]]		}, "0" ]]
	If the blobId has been found but is not parsable, the server would		If the blobId has been found but is not parsable, the server would
	respond:		respond:
	skipping to change at page 12, line 10 ¶		skipping to change at page 12, line 10 ¶
	Specification document: this document		Specification document: this document
	Intended use: common		Intended use: common
	Change Controller: IETF		Change Controller: IETF
	Security and privacy considerations: this document, section 5.		Security and privacy considerations: this document, section 5.
	4.2. JMAP Error Codes Registry		4.2. JMAP Error Codes Registry
	The following subsection register one new error code in the "JMAP		This section registers one new error code in the "JMAP Error Codes"
	Error Codes" registry, as defined in [RFC8620].		registry, as defined in [RFC8620].
	4.2.1. mdnAlreadySent
	JMAP Error Code: mdnAlreadySent		JMAP Error Code: mdnAlreadySent
	Intended use: common		Intended use: common
	Change controller: IETF		Change controller: IETF
	Reference: This document, Section 2.1		Reference: This document, Section 2.1
	Description: The message has the "$mdnsent" keyword already set. The		Description: The message has the "$mdnsent" keyword already set. The
	client MUST NOT try again to send an MDN for this message.		client MUST NOT try again to send an MDN for this message.
	5. Security considerations		5. Security considerations
	The same considerations regarding MDN (see [RFC8098] and [RFC3503])		The same considerations regarding MDN (see [RFC8098] and [RFC3503])
	apply to this document.		apply to this document.
	In order to enforce trust regarding the relation between the user		In order to enforce trust regarding the relation between the user
	sending an email and the identity of this user, the server SHOULD		sending an email message and the identity of this user, the server
	validate in conformance to the provided Identity that the user is		SHOULD validate in conformance to the provided Identity that the user
	permitted to use the finalRecipient value and return a forbiddenFrom		is permitted to use the finalRecipient value and return a
	error if not.		forbiddenFrom error if not.
	6. References
	6.1. Normative References		6. Normative References
	[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate		[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
	Requirement Levels", BCP 14, RFC 2119,		Requirement Levels", BCP 14, RFC 2119,
	DOI 10.17487/RFC2119, March 1997,		DOI 10.17487/RFC2119, March 1997,
	<https://www.rfc-editor.org/info/rfc2119>.		<https://www.rfc-editor.org/info/rfc2119>.
	[RFC3503] Melnikov, A., "Message Disposition Notification (MDN)		[RFC3503] Melnikov, A., "Message Disposition Notification (MDN)
	profile for Internet Message Access Protocol (IMAP)",		profile for Internet Message Access Protocol (IMAP)",
	RFC 3503, DOI 10.17487/RFC3503, March 2003,		RFC 3503, DOI 10.17487/RFC3503, March 2003,
	<https://www.rfc-editor.org/info/rfc3503>.		<https://www.rfc-editor.org/info/rfc3503>.
	[RFC5322] Resnick, P., Ed., "Internet Message Format", RFC 5322,		[RFC5322] Resnick, P., Ed., "Internet Message Format", RFC 5322,
	DOI 10.17487/RFC5322, October 2008,		DOI 10.17487/RFC5322, October 2008,
	<https://www.rfc-editor.org/info/rfc5322>.		<https://www.rfc-editor.org/info/rfc5322>.
	[RFC8098] Hansen, T., Ed. and A. Melnikov, Ed., "Message Disposition		[RFC8098] Hansen, T., Ed. and A. Melnikov, Ed., "Message Disposition
	Notification", STD 85, RFC 8098, DOI 10.17487/RFC8098,		Notification", STD 85, RFC 8098, DOI 10.17487/RFC8098,
	February 2017, <https://www.rfc-editor.org/info/rfc8098>.		February 2017, <https://www.rfc-editor.org/info/rfc8098>.
			[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>.
	[RFC8620] Jenkins, N. and C. Newman, "The JSON Meta Application		[RFC8620] Jenkins, N. and C. Newman, "The JSON Meta Application
	Protocol (JMAP)", RFC 8620, DOI 10.17487/RFC8620, July		Protocol (JMAP)", RFC 8620, DOI 10.17487/RFC8620, July
	2019, <https://www.rfc-editor.org/info/rfc8620>.		2019, <https://www.rfc-editor.org/info/rfc8620>.
	[RFC8621] Jenkins, N. and C. Newman, "The JSON Meta Application		[RFC8621] Jenkins, N. and C. Newman, "The JSON Meta Application
	Protocol (JMAP) for Mail", RFC 8621, DOI 10.17487/RFC8621,		Protocol (JMAP) for Mail", RFC 8621, DOI 10.17487/RFC8621,
	August 2019, <https://www.rfc-editor.org/info/rfc8621>.		August 2019, <https://www.rfc-editor.org/info/rfc8621>.
	6.2. 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>.
	Author's Address		Author's Address
	Raphael Ouazana (editor)		Raphael Ouazana (editor)
	Linagora		Linagora
	100 Terrasse Boieldieu - Tour Franklin		100 Terrasse Boieldieu - Tour Franklin
	Paris - La Defense CEDEX 92042		Paris - La Defense CEDEX 92042
	France		France
	Email: rouazana@linagora.com		Email: rouazana@linagora.com
	URI: https://www.linagora.com		URI: https://www.linagora.com
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