How to Install Zimbra Mail Server in CentOS 8/7
Please follow the Below Command
First check resolve configure where put an IP Address
# vim /etc/resolve.config
Then restart named server
# service named restart
# systemctl restart named.service
Then check dns server
# nslookup
# mail server name (mail.abc.com)
# server ip Address (172.16.1.30)
# exit
Then Follow the video
by IT Doctor’s
linux dns server