I have never managed to login to this system. Account guard keeps asking one time code - that I will receive by email couple hours later and of course - code is useless by then.
No... PvP queues is good for earning dilithium - when being semi afk. Just take dilithium missions for PvP, enter to match and make sure that your side is losing quickly. Space assault & capture missions are easier - you absolutely don't need to do anything.