单项选择题 YournetworkcontainsanExchangeServer2010server.Youneedtoprevente-mailmessagesthatcontainspecificwordsfrombeingsentbetweenusersintheorganization.Whatshouldyoudo？（）

单项选择题 You have an Exchange Server 2010 organization that contains a Hub Transport server and an Edge Transport server.The Edge Transport server sends all SMTP mail to the Internet.You need to add a disclaimer to all internal and external e-mail messages sent by users of your company. What should you do？（）

单项选择题 You have an organization that contains Exchange Server 2007 and Exchange Server 2010 Hub Transport servers.You create a moderated distribution group named Group1. You assign a user named User1 as the group’s mderator.User1 reports that some e-mails are delivered to members of Group1 without his approval.You need to ensure that all e-mails delivered to Group1 are approved by user1. What should you do？（）