Message Disposition Notification

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Last updated 2017-02-15 (latest revision 2016-08-14)
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This memo defines a MIME content-type that may be used by a mail user agent (MUA) or electronic mail gateway to report the disposition of a message after it has been successfully delivered to a recipient. This content-type is intended to be machine-processable. Additional message header fields are also defined to permit Message Disposition Notifications (MDNs) to be requested by the sender of a message. The purpose is to extend Internet Mail to support functionality often found in other messaging systems, such as X.400 and the proprietary "LAN-based" systems, and often referred to as "read receipts," "acknowledgements", or "receipt notifications." The intention is to do this while respecting privacy concerns, which have often been expressed when such functions have been discussed in the past. Because many messages are sent between the Internet and other messaging systems (such as X.400 or the proprietary "LAN-based" systems), the MDN protocol is designed to be useful in a multi- protocol messaging environment. To this end, the protocol described in this memo provides for the carriage of "foreign" addresses, in addition to those normally used in Internet Mail. Additional attributes may also be defined to support "tunneling" of foreign notifications through Internet Mail. This document obsoletes RFC 3798 and updates RFC 2046, RFC 3461 and replaces MDN definition in RFC 6533. Note: This draft shows how a combined MDN and EAI MDN document might look like. This work represents opinion of editors about possible future direction for a combined specification and is not the result of consensus of any IETF WG. This draft can be used as a replacement or update to draft-melnikov-mdn-3798bis-eai.


Tony Hansen (
Alexey Melnikov (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)