YouhaveanExchangeServer2010organization.Yourcompanyslegaldepartmentsendscompliancee-mailmessagesbyaddingrecipientstotheblindcarboncopy(Bcc)field.Thecompanyscompliancepolicyincludesthefollowingrequirements:.Alle-mailmessagessenttoexternalrecipientsmustbearchivedinacentralrepository.Complianceofficersmustbeabletoidentifyalltherecipientsofarchivede-mailmessagesYouneedrecommendasolutiontomeetthecompliancepolicyrequirements.Whatshouldyourecommend?()
A.journalrules
B.messagetracking
C.PersonalArchives
D.transportrules