Mozilla Thunderbird 是经过对Mozilla的邮件组件的进行重新设计后的产品，其目标是为那些还在使用没有整合邮件功能的单独浏览器或者需要一个高效的邮件客户端的用户提供一个跨平台的邮件解决方案。
下载:Mozilla Thunderbird 7.0
The latest version of Thunderbird has the following changes:
- Thunderbird is based on the new Mozilla Gecko 7 engine
- Several user interface fixes and improvements
- Several fixes to attachment handling
- Ability to print a summary of selected email messages
- Platform improvements to Address Book
- Fixed several security issues
- Numerous platform fixes that improve speed, performance and stability
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