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 Sender Domain by Pietro Marini
Rated 5 out of 5 stars
It would be great to have this add-on available for recent versions of Thunderbird (supernova) as it is very helpful.
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