Add-ons
To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!
CloseWelcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.
CloseReview for Mailbox Alert by Firefox user fe298a
Rated 1 out of 5 stars
bei mir ist es zwar als Addon vorhanden, funktioniert aber überhaupt nicht..
Thunderbird Version. 52.6.0
To create your own collections, you must have a Mozilla Add-ons account.
