Changes

<ol><li value="3">We should also set the string that will end up in the '''From:''' header in messages sent by this server. Change '''mydomain''' to your domain name and '''myorigin''' to '''$mydomain'''.</li><li>Restart the postfix service and confirm (using netstat) that the service is now listening on <u>all</u> interfaces (not just loopback)</li><li>Test by connecting to it (using telnet) from your '''host ''' machine.</li></ol>