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This is what I got.
If I don't have the A record for the-arcanum.org sendmail errors saying
the domain doesn't exist.
I created the MX record, the-arcanum.org points to apache (192.168.0.2)
priority 10
This is what is said...
The original message was received at Wed, 21 Jan 2004 03:40:58 -0700
from [192.168.0.5]
----- The following addresses had permanent fatal errors -----
<
nathan@the-arcanum.org>
----- Transcript of session follows -----
554 5.0.0 MX list for the-arcanum.org. points back to
apache.the-arcanum.org
554 5.3.5 Local configuration error
``````````````````````
On Wed, 2004-01-21 at 03:10, Robert Ambrose wrote:
> Do you have the-arcanum.org listed in sendmail.cw/local-host-names (or
> whatever the name de jour is)? The MX record for you internal DNS zone
> should point to the system which will receive the email. Since the email
> shouldn't be going outside your LAN, port blocking by Qwest should not be
> an issue. Specifying an A record for the-arcanum.org is not necessary to=
=20
> get email delivered to the-arcanum.org, the MX record does this. =20
>=20
> A very useful technique for debugging how an email address will be
> delivered to is to use the -bt option with sendmail:
>=20
> sendmail -bt
> 3,0 user@the-arcanum.org
>=20
> Will show how sendmail thinks an email addressed to this recipient will=20
> be delivered.
>=20
> rna
>=20
> On Wed, 21 Jan 2004, Nathan England wrote:
>=20
> >=20
> > I am trying to setup internal e-mail on my systems and I'm having weird
> > problems. My firewall is 192.168.0.1, my e-mail (sendmail and ipop3d)
> > are on 192.168.0.2, .2 is also my internal dns that all my machines use=
.
> >=20
> > My firewall is setup for eth0 being my vdsl connection, eth1 is my
> > internal nic. All machines connect to the outside via iptables nat.
> >=20
> > Qwest blocks port 25, I think that's my problem, coming from the
> > internal nat.
> >=20
> > when 192.168.0.5 sends an e-mail, it goes to .2 which resolves
> > the-arcanum.org as internal 192.168.0.1, when I watch sendmail on .2, i=
t
> > says it is deferred and stops. It won't send it.=20
> >=20
> > I tried changing my dns to resolve the-arcanum.org to be .2 , but that
> > didn't work, it came back saying that the message loops back to itself,
> > MX problem. So I added MX records for the-arcanum.org to point to .2 bu=
t
> > then sendmail just times out trying to send a message.
> >=20
> > Is this all because qwest is blocking 25 and I'm internally nat'ing, or
> > something else? I didn't have this problem when I had normal dsl withou=
t
> > any ports being blocked, but maybe I'm missing the problem.
> >=20
> > Can anyone shed some light on this for me?
> >=20
> > nathan
> >=20
> >=20
>=20
> ---------------------------------------------------
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--=20
Nathan England
Arcanum Linux !
nathan at the-arcanum.org
jabber id:
linuxjunkie@jabber.earth.li
"A free society is one where it is safe to be unpopular."
--Adlai Stevenson
Registered Linux User #189789, Machine #106603
www.sincerechoice.org
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