Rated 5 out of 5 stars

le Firefox user 13135c ar Noll. 16, 2018 ·

This very useful addon does work in Thunderbird 60.3.3.
Customise and drag the button to the Mail Toolbar. It will work on individual folders, Great addon.

Léirmheas ar leagan níos sine den bhreiseán seo (0.7.2).