Please note: As of July 2012, Thunderbird is no longer being actively developed, although security improvements will continue to be released as needed.
Thunderbird is a free, open-source, cross-platform e-mail and news client developed by the Mozilla Foundation. The project strategy is modeled after Mozilla Firefox, a project aimed at creating a Web browser.
Version 16.0.2:
- FIXED: Security fixes
- FIXED: Fixed an issue where IMAP based accounts could sometimes continuously download emails (803843)
OS X 10.5 or later
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