1.6 Set 'Enable Sender reputation' to 'True' - OpenProxyDetectionEnabled

Information

When sender reputation is enabled on a computer, sender reputation filters all messages from all Receive connectors on that computer. Only messages from external sources are filtered. External sources are defined as non-authenticated sources, which are considered anonymous Internet sources.

Rationale:

Spam consumes a large amount of network bandwidth and server capacity. In addition, it is often the source of malicious software.

Solution

To implement the recommended state, execute the following PowerShell cmdlet:

Set-SenderReputationConfig -SenderBlockingEnabled $true -OpenProxyDetectionEnabled $true

See Also

https://workbench.cisecurity.org/files/1512

Item Details

Category: SYSTEM AND INFORMATION INTEGRITY

References: 800-53|SI-8a.

Plugin: Windows

Control ID: 38afa2b877b4c2bfb6f1c1aabfd4dbdcc9339cd682ddac6f9de123bd76e65efa