Rated 5 out of 5 stars
This is the only web-mail notifier I have been able to get to work and in my view, this makes it a great add-on. I have one slight problem: Since I am getting old and have weak eyesight, I find that the contrast in colours between the icons for "no unread mail" and "unread mail", is not strong enough.
I suspect that many people, either through age, colour blindness, or just poor eyesight, have the same problem and would suggest that an option to customize the colour of the notification icon would be very well received.
Apart from that, great add-on!