Thunderbird Beta

Mozilla Thunderbird makes e-mailing safer, faster, and easier with features such as intelligent spam filters, a built-in RSS reader, and quick search. Thunderbird was designed to prevent viruses and to stop junk mail.

Thunderbird includes tabbed e-mail, new search tools and indexing, smart folders, support for Firefox's, a simplified setup wizard and robust junk protections that include phishing and spam filters.