Re: [Exim] pull back lookup info as variable

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Autor: Philip Hazel
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A: Dave Markham
CC: exim-users
Assumpte: Re: [Exim] pull back lookup info as variable
On Thu, 15 Jul 2004, Dave Markham wrote:

> Thanks for the reply although I am not requiring to translate any ips.


But you did say you wanted to route messages according to the ip that
dnslookup returned. translate_ip_address allows you to do just that -
either to another ip address or to a host name.

> I have looked at the dnsdb query


I don't think that will really help, since there is no means of
processing the multiple names an MX lookup will return, in order to find
IP addresses for all of them - and indeed then to scan that list.

> I know the MX will return the name of the host for mx,


... the nameS of the hostS ...
            ^            ^

> So i am trying to find which ip it will try and connect to and if NOT
> an internal ip then send via a smart host.


translate_ip_address should be able to do this for you.

> I have managed to get it all working with ignore_target_hosts on the router
> set to be the internal ips, but from reading the book I dont think this is
> the correct use of ignore_target_hosts


People always subvert facilities intended for one use in order to solve
other problems. I'm not uncomfortable with that.

--
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