Assegnate 5 su 5 stelle

This is really a very useful addon. Unfortunately, it does not work anymore with Thunderbird 57.0b1. I had to start Thunderbird in safe-mode and deactivate it.

Questa recensione riguarda una versione precedente (4.7.1) del componente aggiuntivo. 

Please check here:

It's complicated but there are some explanations and a working test version available there.