Install Thunderbird 16.0.1 in Ubuntu 12.04/11.10/11.04/10.10

Mozilla Thunderbird is a free, open source, cross-platform email and news client developed by the Mozilla Foundation.

Features of Thunderbird 16.0.1

Online Storage
Silent, background updates. Thunderbird will now download and apply updates in the background allowing you to start quickly the next time Thunderbird starts up.

You can know more about Thunderbird 16.0.1 features by reading Release