"Message Tracking Model and Requirements", Tony Hansen, 25-Oct-02. (21951 bytes)

Customers buying enterprise message systems often ask: Can I track the messages? Message tracking is the ability to find out the path that a particular message has taken through a messaging system and the current routing status of that message. This document provides a model of message tracking that can be used for understanding the Internet-wide message infrastructure and to further enhance those capabilities to include message tracking, as well as requirements for proposed message tracking solutions.

"Message Tracking Query Protocol", Tony Hansen, 10-Mar-04. (46719 bytes)

Customers buying enterprise message systems often ask: Can I track the messages? Message tracking is the ability to find out the path that a particular message has taken through a messaging system and the current routing status of that message. This document describes the Message Tracking Query Protocol that is used in conjunction with exten- sions to the ESMTP protocol to provide a complete message tracking solution for the Internet.

"SMTP Service Extension for Message Tracking", Eric Allman, Tony Hansen, 1-Apr-03. (17359 bytes)

This memo defines an extension to the SMTP service whereby a client may mark a message for future tracking.

"An Extensible Message Format for Message Tracking Responses", Eric Allman, 1-Apr-03. (21282 bytes)

Message Tracking is expected to be used to determine the status of undelivered e-mail upon request. Tracking is used in conjunction with Delivery Status Notifications [RFC-DSN-SMTP] and Message Disposition Notifications [RFC-MDN]; generally, a message tracking request will be issued only when a DSN or MDN has not been received within a reasonable timeout period. This memo defines a MIME [RFC-MIME] content-type for message tracking status in the same spirit as RFC 1894, 'An Extensible Message Format for Delivery Status Notifications' [RFC-DSN-STAT]. It is to be issued upon a request as described in 'Message Tracking Query Protocol' [DRAFT-MTRK-MTQP]. This memo defines only the format of the status information. An extension to SMTP [RFC-ESMTP] to label messages for further tracking and request tracking status is defined in a separate memo [DRAFT-MTRK-SMTPEXT].

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