Re: [exim4] mixed up about terminology
On Mon 06 Oct 2014 at 09:09:42 -0400, Jerry Stuckle wrote:
> On 10/6/2014 5:41 AM, Harry Putnam wrote:
> > Joel Rees <joel.rees@gmail.com> writes:
> >
> >>> So they would all be sending mail by way of server host.
> >>>
> >>> I guess that is not what is meant by relaying?
> >>
> >> I think that's relaying, but not open relay (if you get it set up right).
> >>
> >> But you should consider why you want to send out through a central server,
> >> unless your firewall is for some reason set up to only allow outbound mail
> >> from that server, in which case you probably do want to authenticate on the
> >> lan, too. (Think, for example, about the possibility of malware on a local
> >> box.)
> >
> > My reason was just to simplify the mail setup. I expect to have a
> > dozen or so vms (of a variety of OS) at some point in the future.
>
> You are only making the setup more complicated. You generally only need
> one MTA on the network.
My understanding is that he only has one MTA on his network,
> BTW - what's wrong with just using your ISP's MTA? There are definite
> advantages - like not having Port 25 blocked by your ISP, which more and
> more are doing, especially for residential connections.
His MTA services his network and relays mail to his ISP's MTA. They will
accept it. Seems like a very efficient proposed setup.
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