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[Click the star to watch this topic] I cannot send mail from one of my internal hosts to another one

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dihewo at gmx

Oct 21, 2009, 1:51 PM

Post #1 of 4 (427 views)
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[Click the star to watch this topic] I cannot send mail from one of my internal hosts to another one

Hi,

I have a running qmail installation on my internal mail-hub. That mail-
hub should forward internal mail to other internal hosts, and mail for
other domains to the relay of my ISP. The problem is, that the ISP
wants SMTP-Authentication, so I patched qmail-remote.
I had it working before, but then I changed something without
remembering what, and now I get all my mail delivered to my ISP's
relay, which for sure does not know about my internal host names.
The problem seems to be with smtproutes_users. If this file exists
with just the default entry ':my.isp.domain:user:password', everything
is routed to the ISP, if I move it away, then internal mail works
fine, but mail to outside does no longer work due to missing SMTP-
Auth.
Does anybody have an idea, what might have gone wrong? What config-
files do you need?
Thanks in advance.

Dieter

kyle-qmail at memoryhole

Oct 22, 2009, 7:25 AM

Post #2 of 4 (383 views)
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Re: [Click the star to watch this topic] I cannot send mail from one of my internal hosts to another one [In reply to]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

On Wednesday, October 21 at 10:51 PM, quoth dihewo[at]gmx.de:
> The problem seems to be with smtproutes_users. If this file exists
> with just the default entry ':my.isp.domain:user:password',
> everything is routed to the ISP, if I move it away, then internal
> mail works fine, but mail to outside does no longer work due to
> missing SMTP- Auth. Does anybody have an idea, what might have gone
> wrong? What config- files do you need? Thanks in advance.

Sounds like you removed your smtproutes file. You'd need an entry for
each internal host in that file.

~Kyle
- --
There are two ways of constructing a software design: One way is to
make it so simple that there are obviously no deficiencies, and the
other way is to make it so complicated that there are no obvious
deficiencies.
-- Charles Antony Richard Hoare
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dihewo at gmx

Oct 24, 2009, 10:02 AM

Post #3 of 4 (370 views)
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Re: [Click the star to watch this topic] I cannot send mail from one of my internal hosts to another one [In reply to]

Hello,

I have an entry for each host, that can receive mail, in this file. That is
why I don't understand, what the problem can be.

But thanks in advance for your answer.

Regards,

Dieter

>
> -------- Original-Nachricht --------
> Datum: Thu, 22 Oct 2009 09:25:44 -0500
> Von: Kyle Wheeler <kyle-qmail[at]memoryhole.net>
> An: qmail[at]list.cr.yp.to
> Betreff: Re: [Click the star to watch this topic] I cannot send mail
> from one of my internal hosts to another one
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> On Wednesday, October 21 at 10:51 PM, quoth dihewo[at]gmx.de:
> > The problem seems to be with smtproutes_users. If this file exists
> > with just the default entry ':my.isp.domain:user:password',
> > everything is routed to the ISP, if I move it away, then internal
> > mail works fine, but mail to outside does no longer work due to
> > missing SMTP- Auth. Does anybody have an idea, what might have gone
> > wrong? What config- files do you need? Thanks in advance.
>
> Sounds like you removed your smtproutes file. You'd need an entry for
> each internal host in that file.
>
> ~Kyle
> - --
> There are two ways of constructing a software design: One way is to
> make it so simple that there are obviously no deficiencies, and the
> other way is to make it so complicated that there are no obvious
> deficiencies.
> -- Charles Antony Richard Hoare
> -----BEGIN PGP SIGNATURE-----
> Comment: Thank you for using encryption!
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kyle-qmail at memoryhole

Oct 24, 2009, 11:40 PM

Post #4 of 4 (365 views)
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Re: [Click the star to watch this topic] I cannot send mail from one of my internal hosts to another one [In reply to]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

On Saturday, October 24 at 07:02 PM, quoth dihewo[at]gmx.de:
> I have an entry for each host, that can receive mail, in this file.
> That is why I don't understand, what the problem can be.

Well, what do your logs say?

My next guess would be that qmail is attempting to authenticate to the
internal hosts. Since those hosts do not understand the authentication
commands, perhaps those connections are being marked as errors. I
don't know which authentication patch you're using, but perhaps you
need to tell it to ignore authentication for your internal hosts.

If that's true, then your logs should indicate that delivery (to your
internal hosts) was attempted but failed.

~Kyle
- --
A lot of the truths we cling to depend greatly on our own point of
view.
-- Obi Wan Kenobi
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