Cobalt Thunderbird is a theme for Thunderbird 2.0 that gives a blue interface matching Cobalt Firefox. It requires Thunderbird 1.5 or later.
The theme is a beautiful shade of blue with a glassy texture that is sure to impress anyone who sees it. It is easy to install and is compatible with Thunderbird 1.5 or later.
Overall, if you want to give your email client a modern and polished look, Cobalt Thunderbird is definitely worth checking out.
Version 3.0.7: N/A