ssl library
[ -e /etc/pki/tls/certs/global.pem -a -e /etc/pki/tls/private/global.key ] || openssl req -new -x509 -nodes -out /etc/pki/tls/certs/global.pem -keyout /etc/pki/tls/private/global.key -days 365 -batch
chown root:mail /etc/pki/tls/private/global.key
chmod 0640 /etc/pki/tls/private/global.key