Edit File: cpgreylistd.service
[Unit] Description=cPanel Greylisting Daemon After=cpanel.service ConditionPathExists=!/var/cpanel/dnsonly [Service] Type=forking PIDFile=/var/run/cpgreylistd.pid ExecStart=/usr/local/cpanel/scripts/restartsrv_cpgreylistd --notconfigured-ok ExecStop=/usr/local/cpanel/scripts/restartsrv_cpgreylistd --stop --notconfigured-ok ExecReload=/usr/local/cpanel/scripts/restartsrv_cpgreylistd --restart --notconfigured-ok KillMode=process TimeoutStopSec=10 [Install] WantedBy=multi-user.target