#7 - Dec. 22, 2009, 12:06 a.m.
The website you've quoted is not affiliated with World of Warcraft or Blizzard Entertainment, Roikiu. It's what's known as a "phisher" and its likely goal is to glean specific information from you—information which can then be used to compromise your account.
Should you ever receive such an in-game message again, please go ahead and right-click the author's name and then select the "Report Spam" option. This will alert our in-game staff appropriately and also place all characters on the author's account on ignore for the duration of your login session. :)