Prerequisites#
$ dnf install -y postfix mailx
Configuring Hostnames#
Edit /etc/hosts:
127.0.0.1 example.com
Configuring Postfix#
Edit /etc/postfix/main.cf:
inet_interfaces = localhost
inet_protocols = all
Start Postfix#
$ systemctl start postfix
Sending a Mail#
$ mail -s "Test" root@fedora.localdomain < /dev/null