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XCCDF
Microsoft Exchange 2019 Mailbox Server Security Technical Implementation Guide
SRG-APP-000231
Exchange email-forwarding SMTP domains must be restricted.
Exchange email-forwarding SMTP domains must be restricted.
An XCCDF Rule
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Exchange email-forwarding SMTP domains must be restricted.
Medium Severity
<VulnDiscussion>Auto-forwarded email accounts do not meet the requirement for digital signature and encryption of Controlled Unclassified Information (CUI) and Personally Identifiable Information (PII) in accordance with DODI 8520.2 (reference ee) and DOD Director for Administration and Management memorandum, "Safeguarding Against and Responding to the Breach of Personally Identifiable Information". Use of forwarding set by an administrator interferes with nonrepudiation requirements that each end user be responsible for creation and destination of email data.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>