i have vps with cwp pro installed 40 ipv4 & 40 ipv6
i have 16 domains
one server ipv4 and ipv6 address
one ns1 ipv4 and ipv6 address
one ns2 ipv4 and ipv6 address
you need to setup and configure it mail server backup mail server setup and configurations, attachment sizes 100mb
Mailserver & Configure DKIM, SPF,DMARC RDNS Mailserver- Postfix, Exim, DOVECOT DKIM - OpenDKIM Enable SSL/TLS certificate encryption to send secure emails Antispam, Mail Virus Scanner,round cube