so I got this dodgy mail about Diablo3 and I don't even own D3:
Dear customer,
Because you are involved in the trading of gold and equipment, legitimately means playing with an unaltered game client. Doing otherwise violates our policies for Battle.net and Diablo III, and it goes against the spirit of fair play that all of our games are based on. We strongly recommend that you avoid using any hacks, cheats, bots, or exploits. Suspensions and bans of players that have used or start using cheats and hacks.
You can confirm that you are the original owner of the account to this secure website with:
https://us.battle.net/support/en/games/diablo3
Login to your account, In accordance following template to verify your account.
* Account Name and Password
* First and Surname
* Secret Question and Answer
Show * Please enter the correct information
If you ignore this mail your account can and will be closed permanently.
Account security is incredibly important to us, and we hope that it's important to you. If you have any additional security recommendations to add to this list, please feel free to share them in the comments!
Account Administration Team
http://www.blizzard.com/support/
Diablo III , Blizzard Entertainment 2012
so yaeh, watch out if u get same mail and u play D3, it might be keylog or something...