I want to install this add-on
https://addons.mozilla.org/en-US/thunderbird/addon/4654
How do I do it? I'm going through the menu, and it's so annoying compared to firefox/thunderbird.
https://addons.mozilla.org/en-US/thunderbird/addon/4654
How do I do it? I'm going through the menu, and it's so annoying compared to firefox/thunderbird.