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 Verification Anti-Phishing Extension by worm75011
Rated 5 out of 5 stars
solution
go to developer's web site download the latest version
modified install.rdf change the version : 3.0.0.* in 3.0.*
and install it .
it's working
To create your own collections, you must have a Mozilla Add-ons account.