Account recovery form question.

my main wow account was hacked like a month, so yesterday i decided to retrieve. i send the recovery form via Email. i just want to know how long it takes for them to respond.
i already received the
(donotreply@blizzard.com mail)

*This is an automated response to your email to confirm that we have received your message. A response to your current message will be sent to you as soon as possible. Please do not reply directly to this message as multiple emails may cause delays in response time.*