Rated 5 out of 5 stars

Fabulous. I have changed it to check my emails every 1min and it checks 3 of my accounts (gmail, hotmail and yahoo) simultaneously.
I love the fact that the developer constantly updates this extension to keep us users happy.

This review is for a previous version of the add-on (3.1.1-signed).  This user has 2 previous reviews of this add-on.