In my Lucid 10.4, "fresh" installed from distribution CD, now Thunderbird ver. 3.0.4, installed via Ubuntu apps library, is running well.
I was even able to restore my previous Thunderbird records (emails etc.) just removing the initial content of .thunderbird directory and putting there my old Thunderbird profiles.ini file and data folder.
In my Lucid 10.4, "fresh" installed from distribution CD, now Thunderbird ver. 3.0.4, installed via Ubuntu apps library, is running well.
I was even able to restore my previous Thunderbird records (emails etc.) just removing the initial content of .thunderbird directory and putting there my old Thunderbird profiles.ini file and data folder.