mail-client/mozilla-thunderbird-2.0.0.0 is not keyworded in your arch, therefore i had to drop your keywords for >=x11-plugins/enigmail-0.94.3-r2. Before that, you need to do bug 175183 first. Thanks
alpha done
I thinks this is out of date and should be closed now?
Nope, its not done yet
thunderbird-2 is not in the tree anymore