Benvingut a complements de Thunderbird.
Add extra features and styles to make Thunderbird your own.
TancaComentari del Fox OS per Firefox user b5665a
Rated 4 out of 5 stars
Pretty cool, but, only top of the browser is edited.
Per crear les vostres pròpies col·leccions, heu de tenir un compte al Mozilla Add-ons.