Re: [exim] Use of whitelist and blacklist RBL's

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Autor: Philip Hazel
Datum:  
To: John Horne
CC: Exim users
Betreff: Re: [exim] Use of whitelist and blacklist RBL's
On Wed, 22 Jun 2005, John Horne wrote:

> The problem is that the variables, $dnslist_domain, $dnslist_value and
> $dnslist_text all get 'overwritten' by the whitelist look up. As such
> when the message is denied our local log message contains the wrong
> DNSBL, the whitelist one, rather than the blacklist one.
>
> Rearranging the exim configuration doesn't seem possible. So I'm
> wondering if there is any way for 'dnslists' not to set the variables -
> a wishlist item for a dnslists option?


Surely you can just save the values in some ACL variables?

> A way around it is to perform the DNS lookup using dnsdb rather than
> 'dnslists', but that seems to defeat the object (simplicity) of using
> 'dnslists'. Alternatively I could set 3 acl variables to store
> $dnslist_domain etc, but again that seems a bit of a cludge when the
> ($dnslist_xxx) variables are already there - and I see no way of setting
> the $dnslist variables myself.


Ah, you spotted that already. I'm afraid that I feel that a non-setting
call to dnslists is IMHO untidy and unorthogonal. I don't feel that
saving values in variables is particularly reprehensible.

-- 
Philip Hazel            University of Cambridge Computing Service,
ph10@???      Cambridge, England. Phone: +44 1223 334714.
Get the Exim 4 book:    http://www.uit.co.uk/exim-book