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The sendmail package must be removed.


Finding ID Version Rule ID IA Controls Severity
V-218038 RHEL-06-000288 SV-218038r505923_rule Medium
The sendmail software was not developed with security in mind and its design prevents it from being effectively contained by SELinux. Postfix should be used instead.
Red Hat Enterprise Linux 6 Security Technical Implementation Guide 2020-09-03


Check Text ( C-19519r377129_chk )
Run the following command to determine if the "sendmail" package is installed:

# rpm -q sendmail

If the package is installed, this is a finding.
Fix Text (F-19517r377130_fix)
Sendmail is not the default mail transfer agent and is not installed by default. The "sendmail" package can be removed with the following command:

# yum erase sendmail