@misc{rfc3888,
    series =    {Request for Comments},
    number =    3888,
    howpublished =  {RFC 3888},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC3888},
    url =       {https://www.rfc-editor.org/info/rfc3888},
    author =    {Tony Hansen},
    title =     {{Message Tracking Model and Requirements}},
    pagetotal = 11,
    year =      2004,
    month =     sep,
    abstract =  {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. This memo provides information for the Internet community.},
}