Download Thunderbird 6.0 Beta 1

Mozilla Thunderbird is a free, open source e-mail and news client and feed reader developed by the Mozilla Foundation. Thunderbird has IMAP/POP support, support for HTML mail, powerful quick search, saved search folders, advanced message filtering, message grouping, labels, return receipts, smart address book LDAP address completion, import tools, and the ability to manage multiple e-mail and newsgroup accounts.

Some excellent features of Thunderbird are Tabbed email, An Archive, Smart folders.

Homepage: Mozilla Thunderbird
Type: E-mail client, news client and feed reader
License: MPL/GPL/LGPL
Written in: C++, XUL, XBL, JavaScript, CSS
Operating system: Cross-platform
Languages: 52
Size(Windows): 12.35 MB

Download: Windows, Mirror | Mac OS X, Mirror

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Thunderbird Changelog:

- Support for Windows 7 Jump lists
- Several fixes when importing email from Microsoft Outlook
- Default mail client check now works with newer Linux distributions
- Various other user interface fixes and improvements
- Numerous other bug fixes