Basic postfix configuration

Base configuration of postfix application you can make in /etc/postfix/main.cfg configuration file, which must complete with the following entry:

• section # RECEIVING MAIL

    `inet\_interfaces = all`
    `inet\_protocols = ipv4`
  

• section # INTERNET OR INTRANET

  relayhost = \[IP mail server\]:25 (port number)

I the netxt step you must complete the canonical file of postfix

At the end you should restart the postfix:

`systemctl restart postfix`