Mozilla Thunderbird 3.0 Alpha 2 / 2.0.0.17 / 1.5.0.14

Mozilla Thunderbird is an open-source, free and cross-platform mail client and news reader for most modern operating systems including, but not limited to Windows, Macintosh and Linux.
It offers some advantages over other mail clients, including junk mail classification. Built from Mozilla code, Mozilla Thunderbird uses Gecko, the most standards-compliant rendering engine in existence.
In addition to the feature set found in Mozilla Mail, Thunderbird has several new features and improvements to make your mail and new experience better.
Main features:
- Full-Featured Email
Simple to use, powerful, and customizable, Thunderbird is a full-featured email application. Thunderbird supports IMAP and POP mail protocols, as well as HTML mail formatting. Easily import your existing email accounts and messages. Built-in RSS capabilities, powerful quick search, spell check as you type, global inbox, deleting attachments and advanced message filtering round out Thunderbirds modern feature set.
- Junk Mail Filters
Each email you receive passes through Thunderbirds leading-edge junk mail filters. Each time you mark messages as spam, Thunderbird improves its filtering so you can spend more time reading the mail that matters. Thunderbird will also use your mail providers spam filters to keep junk mail out of your inbox.
- Anti-Phishing Protection
Thunderbird protects you from increasingly common email scams�"also known as “phishing”�"which try to fool you into handing over your passwords and other personal information. Thunderbird will tell you when it thinks a message might be a scam.
- Advanced Security
Thunderbird provides enterprise and government grade security features including S/MIME, digital signing, message encryption, support for certificates and security devices. Attachments are never run without your express permission, protecting you from many worms and viruses.
- Automatic Updates
The new Software Update feature makes it easy to get the latest security and feature updates to Thunderbird. Thunderbird automatically downloads these small updates in the background and prompts you when they are ready to be installed.
- Customize Thunderbird
Select new button controls for your toolbars, install extensions to add new features, or change the look of your browser with themes�"the way Thunderbird looks and works is under your control.
System requirements:
- Pentium 233 MHz (Recommended: Pentium 500MHz or greater)
- 64 MB RAM (Recommended: 128 MB RAM or greater)
- 52 MB hard drive space
Note: You must delete your old Mozilla Thunderbird directory rather than just overwriting the files there. Not doing so WILL result in problems and you should not file any bugs on Mozilla Thunderbird unless youve first done a clean install.