#0 - Sept. 23, 2010, 2:30 p.m.
Q u o t e:How to Identify Fake or Phishing Emails
check headers - not just the return address. Return addresses can be spoofed - headers cannot. All true Blizzard email will have blizzard.com or battle.net in their headers. There's a sticky about how to check headers.
Third, the best way to check if you got into beta: check account management.