RHEL 9 must have the s-nail package installed.
An XCCDF Rule
Description
<VulnDiscussion>The "s-nail" package provides the mail command required to allow sending email notifications of unauthorized configuration changes to designated personnel.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-257842r942959_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
The s-nail package can be installed with the following command:
$ sudo dnf install s-nail