Thunderbird 3 Beta 4Beta

Developer: Mozilla Organization
License: Freeware
Requirements: Windows 2000/XP/Vista/7; 500 MHz; 128 MB RAM; 52 MB hard disk space.

Mozilla Thunderbird is an e-mail client with a powerful built-in tools for filtering spam makes the work with e-mail safer, faster and easier.

Key features

• Tabbed interface
• Messages summary view
• Smart Inbox folder
• Integration of GMail accounts
• Possibility of encrypting e-mails
• Phishing protection
• Message tagging and templates
• Address book
• Plugins and skins support
• Integration with Windows search results (Vista/7)

What's new

• Improved search with filtering support
• Re-designed mail toolbar
• New account wizard
• Fixed a number of bugs