Red Hat Enterprise Linux 9 • Release: 7 Benchmark Date: 05 Jan 2026

CAT II V-257842 RHEL-09-215095

RHEL 9 must have the s-nail package installed.

Documentable No
Rule ID SV-257842r1044916_rule
CCI References
CCI-001744

Discussion

The "s-nail" package provides the mail command required to allow sending email notifications of unauthorized configuration changes to designated personnel.

Check Procedure

Verify that RHEL 9 is configured to allow sending email notifications.

Note: The "s-nail" package provides the "mail" command that is used to send email messages.

Verify that the "s-nail" package is installed on the system:

$ dnf list --installed s-nail

s-nail.x86_64          14.9.22-6.el9
	 
If "s-nail" package is not installed, this is a finding.

Fix Action

The s-nail package can be installed with the following command:

$ sudo dnf install s-nail