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EdgeServerHubRoleMailboxRoleMailboxRolePublicFolderClientSCANandSTAMPNOSCANNOSCANINTERNETMailscannedonlyonceattheEdge-savesprocessingloadonHubandMailboxserversMalwaredetectedonEdgedeletedimmediatelyInternalmailisroutedthroughHubroleProactivescanningattheMailboxserver(Store)isturnedoffbydefaulttosaveprocessingloadonMailboxserversForefrontFPEMalwareFiltering:Transport锐普PPT论坛chinakui首发:InboundE-MailFilteringSPAMProtectionSafesendersSpamPreventionIfserverdown,E-mailqueuedforupto5daysE-mailenterstheglobaldatacenternetwork–MX(mail.messaging.microsoft.com)DirectoryServicesSPAMpreventionRealtimeattackprevention(RTAP)IP-basedauthenticationReputationdatabaseConnectionsfromallsendersareanalyzed,ConnectionsfromillegitimatesendersareblockedLookupe-mailfilteringsettingsfordomainVirusScanningKasperskySymantecAuthentiumPolicyEnforcementCustomPolicyRulesAttachmentandmessageattributemanagementCustomSpamFiltermanagementRulesBasedScoringFingerprintEnginesContentandPolicyQuarantineSPAMQuarantineSPAMSPAMSPAME-mailserveravailable?Deliveredinaflow-controlledfashionwhenserverisavailableQueueCorporateNetworkSPAMSPAMSMTPReject:55xSpamAnalystsCustomerFeedbackFalse+ve/-veSync锐普PPT论坛chinakui首发锐普PPT论坛chinakui首发