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Re: Problem using artificial SMTP routes with DNS load balancing

To: Renato Tambellini Sanches <rtsanches@fazenda.sp.gov.br>
Subject: Re: Problem using artificial SMTP routes with DNS load balancing
From: Hugo Monteiro <hugo.monteiro@fct.unl.pt>
Date: Wed, 02 May 2007 17:32:05 +0100
Cc: qmail-ldap@qmail-ldap.org
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Renato Tambellini Sanches wrote:
> Hello list,
>
> I'm getting the following error when using artificial SMTP routes with
> DNS load balancing (Round Robin) under Solaris 10 for Intel:
>
> deferral: Sorry,_I_couldn't_find_any_host_by_that_name._(#4.1.2)
>
> The /var/qmail/control/smtproutes configuration is:
>
> :mx.mydomain.com
>
> My DNS records for mx at mydomain.com is:
>
> mx    IN      A       200.1.1.1
> mx    IN      A       200.1.1.2
>
> Suggestions?
>   

Make sure that:

1 - the zone where you are defining those MX A records is mydomain.com.
Preform a lookup at mx.mydomain.com and see if it resolves to the
correspondent addresses.

2 - Defining only A records for MX, you will have to send mail to
user@mx.mydomain.com, since the zone mydomain.com doesn't have any MX
records associated. If that is what you were planning to do, you'll need
to setup proper MX records.

Regards,

Hugo Monteiro.

-- 
ci.fct.unl.pt:~# cat .signature

Hugo Monteiro
Email    : hugo.monteiro@fct.unl.pt
Telefone : +351 212948300 Ext.15307

Centro de Informática
Faculdade de Ciências e Tecnologia da
                   Universidade Nova de Lisboa
Quinta da Torre   2829-516 Caparica   Portugal
Telefone: +351 212948596   Fax: +351 212948548
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ci.fct.unl.pt:~# _


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