Mailing List Archive: exim: users

Unrouteable address but email address is valid

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support at oaks

Jan 25, 2012, 7:00 AM

Post #1 of 2 (1486 views)
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Unrouteable address but email address is valid

I've got an interesting one. I just need to send email from our
helpdesk server using php mailer. I did a basic internet site exim
config using dpkg-reconfigure exim4-config. Sending is working fine to
all domains except one. The one it does not work on is one of two mail
servers that's on our local network. It has no problem sending mail to
the other mail server that's also on our local network. Here's an
example from the log file:
2012-01-24 15:05:32 1Rpg44-0005KV-Ma <= www-data [at] helpdes U=www-data
P=local S=27621
2012-01-24 15:05:32 1Rpg44-0005KV-Ma ** name [at] domain: Unrouteable
address (I edited this entry)
2012-01-24 15:05:32 1Rpg44-0005KX-PI <= <> R=1Rpg44-0005KV-Ma
U=Debian-exim P=local S=28402
2012-01-24 15:05:32 1Rpg44-0005KV-Ma Completed

It's almost like this helpdesk server thinks that the domain in question
is a local domain.
From normal email clients we have no problem sending & receiving to
this mail server in question.

What gives?

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exim-users at spodhuis

Jan 27, 2012, 6:03 PM

Post #2 of 2 (1465 views)
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Re: Unrouteable address but email address is valid [In reply to]

On 2012-01-25 at 17:00 +0200, support [at] oaks wrote:
> 2012-01-24 15:05:32 1Rpg44-0005KV-Ma ** name [at] domain: Unrouteable
> address (I edited this entry)

> It's almost like this helpdesk server thinks that the domain in question
> is a local domain.
> From normal email clients we have no problem sending & receiving to
> this mail server in question.
>
> What gives?

You don't have a Router which is accepting email to this address.

Normal clients elsewhere look up MX records for the domain in DNS and
don't connect to this host.

You probably want to set up a Router after the local Routers for
"domain.co.za" which passes all other mail for that domain onto the
correct box, and then adjust your ACLs to do callout verification of the
recipient address *if* the domain is that "domain.co.za" and you own
that domain, so you're also responsible for the system which would
receive the callouts too.
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