Centos 7.5 + plesk. Web mail is not running in new domains. In old domain get STMP error -1. Chek apache and ngnix server configuration in order to run together. A magento site is not running because of apache or ngnix misconfiguration
Commands how to check and open ports in firewall -plesk
Full written instractions for second plesk server too.
Block lfd warning emails on server
I have worked as server admin for big names like [login to view URL] and servercentre.net. Over 8yrs of working with cpanel, directadmin and plesk servers. Can fix this for you right now. Let me know.