单项选择题
A.content filtering
B.recipient filtering
C.sender filtering
D.sender reputation
单项选择题 YouhaveanExchange2010EdgeTransportservernamedServer1.Youdiscoverthatyoucannotreceivee-mailfromanorganizationthatusesthecontoso.comdomainname.Youexaminetheserverlogsanddiscoverthatthecontoso.comserversareconfiguredasopenSMTPrelays.YouneedtoensurethattheEdgeTransportservercanreceivee-mailfromcontoso.com.Whatshouldyoudo？（）
单项选择题 YouinstallanewExchangeServer2010organizationthatcontainsasingleservernamederver1.Usersreportthattheyreceivealargenumberofunsolicitedcommercialemail（UCE）messages.YouneedtoreducetheamountofUCEmessagesthatusersintheorganizationreceive.Whatshouldyoudo？（）
单项选择题 YouhaveanExchangeServer2010organization.Youneedtoconfiguretheorganizationtorejectalle-mailmessagesthathaveaspamconfidencelevel（SCL）thatisgreaterthan7.Whatshouldyouconfigure？（）