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postfix-users: Re: Postfix as MX fallback

Re: Postfix as MX fallback

From: Christoph Petersen <lists_at_nospam>
Date: Mon Oct 04 2010 - 14:52:04 GMT
To: postfix-users@postfix.org

Hi Wietse,

Thanks for the reply. Is there a way to query DNS if the specified MX is
present so I do not have to maintain the list of allowed domains?

BR
Christoph

On 04.10.2010 16:38, Wietse Venema wrote:
> Christoph Petersen:
>> Hi guys,
>>
>> I was wondering if the following scenario is feasible with Postfix. I
>> would like to have Postfix acting as my fallback MX for emails which
>> have an certain MX record.
>>
>> So for instance let's assume we have the domain example.org which has
>> two MX mx1.example.org and mx.fallback.com.
>>
>> Can I have Postfix accept all mail for domains which have the MX record
>> mx1.example.org?
>
> See:
>
> http://www.postfix.org/STANDARD_CONFIGURATION_README.html#backup
>
> Wietse