Postfix start error on CentOS Rumi, March 7, 2018 When I tried to start postfix today, I got the following message: fatal: parameter inet_interfaces: no local interface found for 1.2.3.4 Solution is straightforward: nano /etc/postfix/main.cf comment out “inet_interfaces = all” add “inet_protocol = ipv4” Administrations Configurations (Linux) CentOSPostfix