Re: [exim] relay based on sender address and sender host

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Author: Pickel, Gerd - Betax-Systems GmbH \(IT\)
Date:  
To: exim-users
Subject: Re: [exim] relay based on sender address and sender host
Thanks for the quick response!
I will assemble my exim configuration in that way.

Many thanks again!

Gerd

>* on the Tue, Feb 20, 2007 at 02:23:53PM +0100, Pickel, Gerd - Betax-Systems GmbH (IT) wrote:
>
>> I just installed exim on a server to act as a gateway and it works fine.
>> Now here comes the special demand: from inside the network an Exchange
>> server sends mails to the gateway where the sender address looks like
>> localpart@???. Exim itself sends these messages back because
>> it is configured to relay these message to the Exchange server when
>> they were coming from the outside. Now, how can I configure exim to
>> check the sender IP/name (Exchange server) and the localpart of an
>> email address to relay these messages to a specific mail server
>> (IP/name) outside the network?
>> I thought about combing sender_address_relay and hostlist relay_hosts
>> in a router, but is it the right approach?
>
>You'll find a router for doing the relaying according to mx records
>similar to this:
>
>dnslookup:
>   debug_print              = "R: dnslookup for $local_part@$domain"
>   driver                   = dnslookup
>   domains                  = ! +local_domains
>   transport                = remote_smtp
>   same_domain_copy_routing = yes
> no_more

>
>You want to stick a smarthost router in front of that which delivers to
>a specific host on certain conditions. The one below would route all
>mail for foo@bar that originated from 123.123.123.123 to the mx
>server "the.mx.server" directly:
>
>smarthost:
>  debug_print = "R: smarhost for $local_part@$domain"
>   driver      = manualroute
>   condition   = ${if and{\
>                    {eq{$sender_host_address}{123.123.123.123}}\
>            {eq{$local_part}{foo}}\
>            {eq{$domain}{bar}}\
>                 }}
>   route_list  = * "the.mx.server"

>
>Hopefully that should give you a basis to work from.
>
>Mike


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