Information
From 7.2.4, sendmail is updated to version 8.15.2, there is a new configuration file /etc/mail/submit.cf. Need the permission changed to 640?
Rationale:
Privileged access to make changes to this configuration file /etc/mail/submit.cf.
Impact:
It will not impact the usability of application or system.
Solution
chmod 640 /etc/mail/submit.cf