On Sun 05 Oct 2014 at 14:24:47 -0400, Harry Putnam wrote:

> Simon Hollenbach <ionpowe...@gmail.com> writes:
> 
> > You should leave the relay-list empty unless you really know what you
> > are doing. Mail to remote hosts should generally only be processed for
> > users that have authenticated to your SMTP-server.
> 
> I don't have much of a clue of what I'm doing... but I should have
> mentioned earlier that my setup is a single user setup on a home lan.
> 
> It gets a little confusing to me because the server itself needs to
> send out to my IP smart host, while at the same time it will serve s
> the smart host for my other lan machines.

The term "smarthost" is simply another name for a mail server. A mail
server designated as a "smarthost" does nothing more or nothing less
than any other mail server. All mail across and between networks is
transported using mail servers.

> I do want to be able to use this server as the smart host for my other
> lan machines.  So is that second one (about relaying) the place to
> list my lan networks?

It is the correct place. An example of what to put there is given in
another post in this thread. I have 192.168.7.0/24. I don't know whether
/24 is as good as /23.

Simon Hollenbach mentioned authentication being desirable for remote
machines (your LAN machines are classified as remote), but I don't
bother with it on the basis that they are on my home network because I
trust them.


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