Error piping emails cPanel

I had an issue where emails were no longer being imported into WHMCS. Child process of cagefs_virtual_address_pipe transport returned 255 (could mean shell command ended by signal 127 (Unknown signal 127)) from command: /bin/cagefs_enter Turned out when WHMCS upgraded to version 7 some of the permissions were reset on the cron files. Changing the /cron/cron.php…