TOSS 5 must not have the sendmail package installed.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-282634 | TOSS-05-000122 | SV-282634r1200882_rule | CCI-000366 | medium |
| 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. | ||||
| STIG | Date | |||
| Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide | 2026-04-01 | |||
Details
Check Text (C-282634r1200882_chk)
Verify the "sendmail" package is not installed using the following command:
$ sudo dnf list --installed sendmail
Error: No matching Packages to list
If the "sendmail" package is installed, this is a finding.
Fix Text (F-87100r1200881_fix)
Remove the "sendmail" package using the following command:
$ sudo dnf remove sendmail