Originally Posted by M3wThr33
The "Query account by email address" emails are from other people trying to redeem a used code to their Steam Account and hitting the support button.
If you're getting that, it might be other people trying to get it. If you do online Twitter code drops you'll get that a lot.
Its not those, its login attempts. "you have tried to log in too many times, please wait 15 mins" etc.
Followed by password reset attempts, then the same on my email.