Detections
Analytics
EX19-ED-000141 - Exchange must have anti-spam filtering enabled.
Information
Originators of spam messages are constantly changing their techniques to defeat spam countermeasures; therefore, spam software must be constantly updated to address the changing threat. Spam protection mechanisms include, for example, signature definitions, rule sets, and algorithms.Exchange 2019 provides both anti-spam and anti-malware protection out of the box. The Exchange 2019 anti-spam and anti-malware product capabilities are limited but still provide some protection.
Solution
Open the Exchange Management Shell and enter the following command for any values that were not set to True:Set-ContentFilterConfig -Enabled $true
Set-SenderFilterConfig -Enabled $true
Set-SenderIDConfig -Enabled $true
Set-SenderReputationConfig -Enabled $true
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Exchange_2019_Y25M07_STIG.zip
Item Details
Category: SYSTEM AND INFORMATION INTEGRITY
References: 800-53|SI-8(2), CAT|II, CCI|CCI-001308, Rule-ID|SV-259627r961161_rule, STIG-ID|EX19-ED-000141, Vuln-ID|V-259627
Plugin: Windows
Control ID: ebdc046009f0de851d68aa9a6898f8bd97062f72fc49c39006edb707c2bf9b6f