MS Exchange 2013 Edge Transport Server Security Technical Implementation Guide
Rules, Groups, and Values defined within the XCCDF Benchmark
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SRG-APP-000261
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The Exchange Sender Reputation filter must identify the spam block level.
By performing filtering at the perimeter, up to 90 percent of spam, malware, and other undesirable messages are eliminated from the message stream rather than admitting them into the mail server en...Rule Medium Severity -
SRG-APP-000261
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SRG-APP-000261
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SRG-APP-000261
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The Exchange Block List service provider must be identified.
Block List filtering is a sanitization process performed on email messages prior to their arrival at the destination mailbox. By performing this process at the email perimeter, threats can be elimi...Rule Medium Severity -
SRG-APP-000261
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Exchange messages with malformed From address must be rejected.
Sender Identification (SID) is an email antispam sanitization process. Sender ID uses DNS MX record lookups to verify the Simple Mail Transfer Protocol (SMTP) sending server is authorized to send e...Rule Medium Severity -
SRG-APP-000261
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The Exchange Recipient filter must be enabled.
Email system availability depends in part on best practice strategies for setting tuning configurations. Careful tuning reduces the risk that system or network congestion will contribute to availab...Rule Medium Severity -
SRG-APP-000261
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The Exchange tarpitting interval must be set.
Tarpitting is the practice of artificially delaying server responses for specific Simple Mail Transfer Protocol (SMTP) communication patterns that indicate high volumes of spam or other unwelcome m...Rule Medium Severity -
SRG-APP-000261
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SRG-APP-000261
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Exchange Simple Mail Transfer Protocol (SMTP) IP Allow List entries must be empty.
Email system availability depends in part on best practice strategies for setting tuning configurations. Careful tuning reduces the risk that system or network congestion will contribute to availab...Rule Medium Severity -
SRG-APP-000261
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The Exchange Simple Mail Transfer Protocol (SMTP) IP Allow List Connection filter must be enabled.
Email system availability depends in part on best practice strategies for setting tuning configurations. Careful tuning reduces the risk that system or network congestion will contribute to availab...Rule Medium Severity -
SRG-APP-000261
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The Exchange Simple Mail Transfer Protocol (SMTP) Sender filter must be enabled.
Email system availability depends in part on best practices strategies for setting tuning configurations. Careful tuning reduces the risk that system or network congestion will contribute to availa...Rule Medium Severity -
SRG-APP-000261
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