Other sources of Thunderbird information
From MozillaZine Knowledge Base
Introductory help/support
- Thunderbird Help at mozilla.org
- Managing Thunderbird mail accounts at gunnars.net
- MozillaZine Thunderbird support forum
- Tutorial at FreeMailTutorials
Other
- Wikipedia article on Thunderbird
- The Rumbling Edge: Weekly developments in Mozilla Thunderbird builds
- A collection of Mozilla links
- Mozilla Bugzilla (bug reports)
- The Differences between SeaMonkey versus Firefox and Thunderbird
- Mozilla Developer Center