Rated 4 out of 5 stars

Από τον/την mozillachr στις Φεβ. 28, 2010 · μόνιμος σύνδεσμος

The Add-on 'Extra Folder Columns' ( https://addons.mozilla.org/en-US/thunderbird/addon/9716 ) has a similiar functionality for all/unread/favorite/recent folders