The long waited open source email client Thunderbird 3 is now released! Upgrading from Thunderbird 2 to Thunderbird 3 is very easy and almost automatically.
Once you finished installing version 3, you’ll see Migration Assistant page with explanation of 3 new features worth knowing about. In my testing as I’m using IMAP, Thunderbird show its IMAP synchronize option and offer an alternative to not synchronize to save disk space and data traffic costs.
Thunderbird 3 Free Download is ON