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 = 192.168.0/28

So the Local LAN is covered

As SMTP Server

Set mydomain & myhostname

mydomain =
myhostname =
myorigin = $mydomain
append_dot_mydomain = no
relayhost =

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