问题：

[多选]

You are the Exchange administrator for the Xxx Corporation’s Exchange 2010 organization.People from outside your organization make inquiries to the Xxx’s Tax department.You create a Tax distribution group that contains all members of the Tax department so people can send questions to the members of the department.You have a number of additional requirements： 
（1）Only authorized questions should be sent to the Tax department.You must determine what an authorized question is. 
（2）All users in the Tax department， except the department supervisor named George， must receive authorized questions. 
（3）George must be able to send feedback to the Tax department. 
What should you do？（）

A . Check Messages sent to this group have to be approved by a moderator on the properties page of the Tax distribution group
B . Add George’s account as group moderator of the Tax distribution group Leading the way in IT testing and certification tools，
C . Remove George’s account from the Tax distribution group， add him to another distribution group， and add that group as a member of the Tax distribution group
D . Add George’s account as a sender that does not require message approval
E . Check Notify senders in your organization only when their messages aren’t approved