Mozilla Thunderbird 1.5.0.8

"Thunderbird is a free, open-source and cross-platform mail client for most operating systems including, but not limited to, Windows, Linux and Macintosh. It is based on the Mozilla codebase. It is a robust and easy to use client, similar to competing products like Outlook Express, but with some major advantages such as junk mail classification." Download for Windows @ Mozilla Download for Mac @ Mozilla Download for Linux @ Mozilla