Exchange must have antispam filtering configured.

From Microsoft Exchange 2016 Edge Transport Server Security Technical Implementation Guide

Associated with: CCI-001308

SV-95293r1_rule Exchange must have antispam filtering configured.

Vulnerability discussion

Originators of spam messages are constantly changing their techniques in order to defeat spam countermeasures; therefore, spam software must be constantly updated to address the changing threat. A manual update procedure is labor intensive and does not scale well in an enterprise environment. This risk may be mitigated by using an automatic update capability. Spam protection mechanisms include, for example, signature definitions, rule sets, and algorithms.Exchange 2016 provides both antispam and antimalware protection out of the box. The Exchange 2016 antispam and antimalware product capabilities are limited but still provide some protection.

Check content

Site should utilize an approved DoD scanner as Exchange Malware software has a limited scanning capability. If an approved DoD scanner is not being used, this is a finding.

Fix text

Following vendor best practice guidance, install and configure a DoD-approved scanner.

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