On 07/09/18 07:15, Larry Martell wrote: > When I try and send mail I see this in the maillog: > > Sep 6 11:59:48 postfix/sendmail[11059]: fatal: open > /etc/postfix/main.cf: Permission denied > > But /etc/postfix/main.cf is world readable: > > $ ls -l /etc/postfix/main.cf > -rw-r--r--. 1 root root 27176 Jun 9 2014 /etc/postfix/main.cf Check the output of: rpm -Va postfix\* If it shows no output then everything should be fine. Otherwise the output will show you what files have had permissions changed (or anything else changed) since postfix was installed. I don't think this checks selinux contexts, but it should find any other permissions issues. You can fix by re-installing postfix: yum reinstall postfix\* Peter