5점중 2점 받음

OK, but once you have connected to one google account - forget ever trying to change accounts. Even clearing the cache, uninstalling and reinstalling will not work. Totally unusable for me now as I set it up initially on the wrong google account. Shame.

이 검토는 현재 부가 기능의 이전 (0.5.1) 버전에 대한 것입니다. 

Go to the add-on's options and check "Clear local data and authentication tokens", then restart Thunderbird. This will allow you to log in to a different account.