Re: [EXIM] Hook for testing DNS entry existence

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Auteur: Philip Hazel
Date:  
À: Nigel Metheringham
CC: Malcolm Beattie, exim-users
Sujet: Re: [EXIM] Hook for testing DNS entry existence
On Mon, 7 Sep 1998, Nigel Metheringham wrote:

>
> ph10@??? said:
> } I haven't tested any of that. If it doesn't work out, then you might
> } have to patch the dnsdb lookup code to get it to lookup A records as
> } well as TXT records. It wouldn't be a huge patch.
>
> The obvious thing to do would be to make dnsdb to take an optional
> argument to lookup "x" records. You also need to work out what happens
> if you have more than 1 record of any type.


The reason I didn't do that was the the data for each record type is
differently formatted, and I didn't want to mess with it in what was,
when I implemented it, just an experiment. TXT records do fortunately
just have a text string as their data; nothing in binary.


-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.



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