sucks will work couple days then stop operating where cant log in and must go throught google search yahoo mail just to get into my email

Does not work, I am already logged in and does not log in on the add on. I tried to log into the add on, it directs me to yahoo mail which I am already logged in. The Add on is still not logged into my email.

Lost my Firefox, can't get rid of app mailside. bar

Notify and login not work on Sidebar