Re: [EXIM] DNS

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Autor: Christopher Purnell
Fecha:  
A: exim-users
Asunto: Re: [EXIM] DNS
Greg A. Woods wrote:
> [ On Tue, April 14, 1998 at 09:48:20 (+0100), Christopher Purnell wrote: ]
>
> > If the target of a MX record must have an A record why look for a MX
> > record if you can't find an A record?
>
> Because the algorithm for searching for the target mail host starts the
> other way around -- As I think has been discussed in other followups to
> this thread you must look for an MX first, and then the A's for all the
> MX targets, and only as a last resort *may* you look for the A for the
> target domain.


Why is everyone misunderstanding me here? The order MX,A might be
what is done for the original domain but A,MX is the order for
unresolved targets of an MX lookup.

-- 
     Christopher John Purnell,  Unix Systems Administrator
OiT Ltd, 7600 The Quorum, Oxford Business Park, Oxford, OX4 2JZ
                 cjp@???   +44 1865 785057


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