Amazon Linux 2023 must have the s-nail package installed.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-274031SRG-OS-000363-GPOS-00150AZLX-23-001095SV-274031r1120081_rule2025-11-201
Description
The "s-nail" package provides the mail command required to allow sending email notifications of unauthorized configuration changes to designated personnel.
ℹ️ Check
Verify Amazon Linux 2023 has the "s-nail" package is installed on the system with the following command: $ dnf list --installed s-nail Installed Packages s-nail.x86_64 14.9.24-6.amzn2023 @amazonlinux If the "s-nail" package is not installed, this is a finding.
✔️ Fix
Configure Amazon Linux 2023 to have the s-nail package installed with the following command: $ sudo dnf install -y s-nail