Re: [Exim] does rbl_domains work with lookups ?

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Auteur: Philip Hazel
Date:  
À: Peter Galbavy
CC: exim-users
Sujet: Re: [Exim] does rbl_domains work with lookups ?
On Mon, 26 Feb 2001, Peter Galbavy wrote:

> > Reasonable - until you make an error and the expansion fails.
>
> Gary Palmer pointed out another problem in an earlier reply, but on general
> philosophy, isn't the chance of a expansion failing one that can happen
> anywhere ? Or are you saying that a "fail" condition would react
> particularly badly with rbl_domains ?


I was merely noting that you hadn't written any code to cope with the
failure case. The expansion would return NULL, and your code would
(IIRC) behave as if rbl_domains were not set.

> Now that becomes moot anyhow, due to
> the problem that Gary pointed out with the RBL check being done at the TCP
> accept bit.


It's all going to be different in Exim 4, for exactly this sort of
reason.


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