"RT is an industrial-grade trouble ticketing system. It lets a group of people intelligently and efficiently manage requests submitted by a community of users. RT is used by systems administrators, customer support staffs, NOCs, developers, and even marketing departments to track issues, outages, bugs, requests, and all kinds of other things at thousands of sites around the world.
"This tutorial will explain how to install and configure Request-Tracker 3.6 on Debian Etch with postfix and fetchmail, use fetchmail to retrieve emails from the mail server and inject them into RT..."