Rated 5 out of 5 stars

Firefox user 13135c কর্তৃক ডিসে. 16, 2018 তারিখে ·

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.

This review is for a previous version of the add-on (0.7.2).