Centos failed to start postfix
error code
Job for postfix.service failed because the control process exited with error code. See “systemctl status postfix.service” and “journalctl -xe” for details.
wrong reason
parameter inet_interfaces: no local interface found for ::1
Solution
Modify the configuration file /etc/postfix/main.cf
inet_interfaces = localhost
inet_protocols = all
Change
inet_interfaces = all
inet_protocols = all
Restart postfix
