Updates to Thunderbird are now available

Mozilla, a global, non-profit organization dedicated to making the Web 
better, today released updates to Thunderbird for Windows, Mac, and Linux.

You can find more details in this announcement blog post:
* Thunderbird: 
http://blog.mozilla.com/thunderbird/2011/11/08/new-updates-to-thunderbird-and-lightning-1-0-now-available/

You can download Thunderbird from the following links:
* Latest Thunderbird: http://mozilla.org/thunderbird
* Thunderbird 3.1.16: http://mozilla.org/thunderbird/all-older.html

We strongly recommend that all Thunderbird users upgrade to these 
releases. If you already have Thunderbird, you will receive an automated 
update notification within 24 to 48 hours.

For a list of changes and more information, please review the 
Thunderbird release notes at:
* Latest Thunderbird Release Notes: 
http://www.mozilla.org/thunderbird/8.0/releasenotes/
* Thunderbird 3.1.16 Release Notes: 
http://www.mozilla.org/thunderbird/3.1.16/releasenotes/