Why Are Information Security Policies Important?Information Security Policies and Electronic PoliciesInformation Security Policies for Exchange Server 2007Password PoliciesLogon PoliciesAcceptable Use PoliciesComputer Viruses, Trojans, and WormsSchema Extensions by Exchange Server 2007Data SecurityLegal Exposure to Unwanted E-Mail ContentBacking Up and Archiving Exchange DatabasesE-Mail IntegrityMiscellaneous Elements to ConsiderRelated ResourcesSummary