RHEL 9 must not have the sendmail package installed.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-257827 | SRG-OS-000480-GPOS-00227 | RHEL-09-215020 | SV-257827r1044892_rule | 2025-02-27 | 2 |
| Description |
|---|
| The sendmail software was not developed with security in mind, and its design prevents it from being effectively contained by SELinux. Postfix must be used instead. Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000095-GPOS-00049 |
| ℹ️ Check |
|---|
| Verify that the sendmail package is not installed with the following command: $ dnf list --installed sendmail Error: No matching Packages to list If the "sendmail" package is installed, this is a finding. |
| ✔️ Fix |
|---|
| Remove the sendmail package with the following command: $ sudo dnf remove sendmail |