Diễn đàn hỗ trợ Firefox

My Mozilla account has been disconnected. When I try to sign in, I enter my email and password, and am then prompted to enter a confirmation code that reportedly was emailed to me. The problem is that no such email arrives. Without that access code, I cannot log in, and syncing does not work. This is not a problem with my spam filter, because that filter is turned off, and I have no difficulty with receiving emails from other senders. How can I either get that access code sent to me, or get logged in without it?