Benvingut a complements de Thunderbird.
Add extra features and styles to make Thunderbird your own.
TancaComentari del Header Tools Lite per Dillinger
Rated 5 out of 5 stars
A legacy WebExtension version for Thunderbird 68.* is now available:
https://addons.thunderbird.net/en-US/thunderbird/addon/headertools-lite/
Per crear les vostres pròpies col·leccions, heu de tenir un compte al Mozilla Add-ons.