Table of Contents

Important Postfix Settings

When using as SMTP relay for other servers on LAN

Make sure to set inet_interfaces = all

Sometimes this is set to localhost and will not allow relays

Make sure to set mynetworks = 127.0.0.0/8 192.168.0/28

So the Local LAN is covered

As SMTP Server

Set mydomain & myhostname

mydomain = mail.dev06.example.org
myhostname = mail.dev06.example.org
myorigin = $mydomain
append_dot_mydomain = no
relayhost =