You have received an instant message from an anonymous sender. An anonymous sender is a person to whom you have not given permission to contact you. Messages of this type might be junk mail (spam).

• 您已经收到来自某个匿名发件人的即时消息。匿名发件人是您没有给出联系您权限的某人。这种类型的消息可能是垃圾邮件。