I was trying to sync my account to firefox mobile and forgot my password so I decided I'd just change it, after I changed it I was sent an authorization code by email and it didn't work so I had it resent three times and none of them worked. Now I'm temporarily blocked from trying another code. After entering the code in all caps, as it's presented in the email, and pressing enter a red box pops up at the top of the screen that says invalid code. I just want to get back into my account. Why won't the codes work?