On 06-Aug-98 at 08:32:01 Philip Hazel wrote:
>
> The problem is that reverse lookups don't always work. Maybe Exim should
> try both methods? And while we are on the subject, I have now and again
> wondered whether, having done a reverse lookup, Exim should in any case
> do a forward lookup for confirmation?
>
> Comments? Suggestions?
>
An odd point really, but we are still running as a legacy of the NRS days
(!!). A reverse and forward lookup gives 2 results - e.g.
argus.plymouth.ac.uk => 141.163.2.1
141.163.2.1 => argus.plym.ac.uk
Essentially the same system, but the short-form is referenced in reverse
lookups. This applies to all (I think) our systems, and anything else we've
registered in the DNS. (Not my doing by the way! :-) )
John.
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