[Vmail-discuss] Exim as Secondary MX
Jose de Paula Eufrasio Junior
jjunior at pib.com.br
11 Jun 2003 12:53:45 -0300
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On Wed, 2003-06-11 at 12:37, Pat Crean wrote:
> On Wednesday 11 June 2003 11:04, Jose de Paula Eufrasio Junior wrote:
> > Hello.
> >
> > I was thinking in changing some MX here to use the vmail machine as
> > secondary.
> >
> > What should I do? Just put the domains that I want in the relay_domains
> > and not in the localdomains?
> >
> > Any help is welcome ! :)
> >
> > []s
> > coredump
>=20
>=20
> The easiest way to handle it is to set "relay_domains_include_local_mx =
=3D yes". =20
> That way you just have to create a low priority mx record pointing to you=
r=20
> vmail machine and everything else happens automagically. You do open=20
> yourself up to a potential spam attack in that a spammer could,=20
> theoretically, set up a dns server containing an mx record pointing to yo=
u=20
> and then use you as an open relay. Not too big a problem, though as most=
=20
> spammers aren't going to go to that extreme when there are so many open=20
> relays available in china....
Sorry, I don't made myself clear enough. It's not a secondary MX. It's a
relay. That's the full history:
We have one First Class server, and it's SMTP server suc*s, no AV, bad
spam prevention, a whole list of problems.
To remedy that, we're trying to pass the mails (smtp) by the vmail
machine, where exim + vmail + amavis will do the cleaning...
so, what I need is that the vmail machine receives the mail for the
first class machine and redirect them, after all routing thru exim, to
the final smtp.
The First Class is a separate domain, and the vmail machine handles
multople domains too (of course).
I think that now I pictured the scneario right :)
[]s
core
--=20
Jos=E9 de Paula Eufr=E1sio J=FAnior
Analista de Sistema | CPD
ProInternet do Brasil
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