These issues are not related to Firefox. Typically email websites let you log in as many times as you want. If you us the wrong password, they will limit how many times you can try. Try clearing your cache and cookies. # Open the Tools menu, then select Clear Recent History... . # In the '''Time Range to clear:''' drop-down, select '''Everything'''. # Click the arrow next to '''Details''' to display the list of items that can be cleared. # Select both '''Cookies''' and '''Cache'''. # Click Clear Now .