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Sender reputation filter must be enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-33639 Exch-2-321 SV-44059r1_rule ECSC-1 Medium
Description
By performing filtering at the perimeter, up to 90% of SPAM, malware, and other undesirable messages are eliminated from the message stream rather than admitting them into the Mail server environment. Sender reputation is anti-SPAM functionality that blocks messages according to many characteristics of the sender. Sender reputation relies on persisted data about the sender to determine what action, if any, to take on an inbound message. This setting enables the sender reputation function.
STIG Date
Exchange 2010 Edge Transport Server STIG 2017-01-03

Details

Check Text ( C-41749r1_chk )
Open the Exchange Management Shell and enter the following command:

Get-SenderReputationConfig | Select Enabled

If the value of 'Enabled' is not set to 'True', this is a finding.
Fix Text (F-37532r1_fix)
Open the Exchange Management Shell and enter the following command:

Set-SenderReputationConfig -Enabled $true