testing. I am attaching the screen capture. When I tried to click the box next to "Notify me by email of all message replies", the screen goes dark and this empty box pops up and I have to enter my email (see attachment.

#1 When I tried to click on "Notify" :

#2 After I entered my email address:
Do you see only AFTER I have entered my email address will the box actually have a check in it.

I hope you get the images to help explain the problem.