Re: [Exim] Re: EXIM, Help stop relaying spam

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Author: Nathan Duehr
Date:  
To: Philip Hazel
CC: Marc Haber, debian-user, exim-users
Subject: Re: [Exim] Re: EXIM, Help stop relaying spam
Ahh... I stand corrected.

I really should avoid answering mail relaying questions in hte middle of
the night!

Just as a side-note, it is a silly option anyway, isn't it? I've not used
it for anything useful... yet.

On Wed, 4 Aug 1999, Philip Hazel wrote:

> On Wed, 4 Aug 1999, Marc Haber wrote:
>
> > On Wed, 4 Aug 1999 00:53:15 -0600 (MDT), you wrote:
> > >If you have the "relay-domains-include-local-MX = true" in your
> > >/etc/exim.conf file, this is true. It WILL relay for anyone who lists
> > >your machine as an MX for their domain (real, or not). I think this was
> > >the original question.
>
> That is incorrect.
>
> > It will not relay _FOR_ anyone who lists the exim host as an MX for
> > their domain; it will relay _TO_ anyone who lists the exim host as an
> > MX for their domain. This is a siginificant difference.
>
> That is correct. Relaying _FOR_ is controlled by hosts, not domains.
> Typically: relay for any host on my local network.
>
> There are some controls by sender (though they are weak, since senders
> are easily forged) but they do not involve looking up MX records for the
> sender.
>
>
> -- 
> Philip Hazel            University of Cambridge Computing Service,
> ph10@???      Cambridge, England. Phone: +44 1223 334714.

>
>
> --
> Unsubscribe? mail -s unsubscribe debian-user-request@??? < /dev/null
>
>


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