Re: [exim] Using remote to route traffic through specific IP…

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Author: Dean Brooks
Date:  
To: exim-users
Subject: Re: [exim] Using remote to route traffic through specific IP fordomain_list - Help needed
I'm not sure if this is relevant to the problem you are having, but
its a known limitation/bug in Exim that outbound SMTP connections can
use a different IP address than what is listed in the "interfaces" tag
in a transport.

There is a workaround of setting "connection_max_messages = 1" on the
transport that will fix this, but with the side effect of limiting only
a single message in a single delivery.

Here is the bug report:

http://bugs.exim.org/show_bug.cgi?id=1141

Again, not sure if this is what you are running into, but its easy enough
to test with the workaround to see if it resolves the issue.

--
Dean Brooks
dean@???

On Thu, Apr 18, 2013 at 10:11:14AM -0500, F. Mendez wrote:
> Hello Evan,
>
> interesting approach. What Im trying to do is to deliver through an specific
> IP the traffic generated to a certain group of domains. Like grouping ip
> 1.1.1.1 for domainlistgroup1 and then for ip 1.1.1.2 it delivers only for
> domainlistgroup2. Since it will be used in production env where one holding
> enterprise group has like 6 different brands, the main helo is crutial and
> internally is the correspondant IP from the time given group the one that
> will make the connection and delivery. All has been setup also with SPF and
> DKIM/DK.
>
> Do you have any idea on how to achieve this?
>
> Thanks for your comments.
>
>
>
> -----Mensaje original----- From: Evan Booyens
> Sent: Wednesday, April 17, 2013 6:16 AM
> To: F. Mendez ; exim-users@???
> Subject: RE: [exim] Using remote to route traffic through specific IP
> fordomain_list - Help needed
>
> Hi
>
> I am using routing per domain in a production environment and find that the
> routing and transport settings below work very well:
>
> ## ROUTING
> domain_router:
>     driver      = manualroute
>     ### DOMAINS TO BE ROUTED ARE DEFINED IN RELAY_TO_DOMAINS LIST
>     domains     =  +relay_to_domains
>     same_domain_copy_routing = true
>     transport   = DELIVER
>     ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
>     route_data  = ${lookup{$domain}lsearch{/etc/exim/domains/routing.txt}}

>
> ## TRANSPORT
> DELIVER:
> driver = smtp
> helo_data = $primary_hostname
>
> ## As this is an INBOUND mail firewall, I have no need to change the helo
> for each domain.
>
> Regards
> Evan Booyens
> Senior Linux Systems Engineer
> Web Africa
>
>
>
>
> -----Original Message-----
> From: F. Mendez [mailto:fmendez73@terra.com]
> Sent: 16 April 2013 19:03
> To: exim-users@???
> Subject: [exim] Using remote to route traffic through specific IP for
> domain_list - Help needed
>
> Hello, I'm doing some research on trying to set a list of domains and by
> using different remote statement at transports, route and move traffic for
> those domains in the list through an specific IP or list os IPs but is not
> working so far... I have done the following:
>
>
> ## at beginig of exim.conf defined domains list and mx resolve host lists:
>
> domainlist traffic_route1 = domain1.com : domain2.com domainlist
> trafficmx_route2 = *.domain3.com : *.domain4.com
>
>
> ## at begin routers added the following bellow lookuphost:
>
>
> traffic_route1:
>    driver = dnslookup
>    domains = +traffic_route1
>    transport = smtp_route1
>    ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
>    retry_use_local_part
>    no_more

>
> throttled_trafficmx_route2:
>    driver = dnslookup
>    domains = +trafficmx_route2
>    transport = smtp_trafficmx_route2
>    ignore_target_hosts = 0.0.0.0 : 127.0.0.0/8
>    retry_use_local_part
>    no_more

>
> #At transports added the following bellow remote_smtp:
>
> smtp_traffic_route1:
>    driver = smtp
>    interface = ${if exists
> {/etc/mailips}{${lookup{$original_domain}lsearch{/etc/mailips}{$value}{${lookup{$sender_address_domain}lsearch{/etc/mailips}{$value}{${lookup{${perl{get_sender_from_uid}}}lsearch*{/etc/mailips}{$value}{}}}}}}}}
>    helo_data = ${if exists
> {/etc/mailhelo}{${lookup{$original_domain}lsearch{/etc/mailhelo}{$value}{${lookup{$sender_address_domain}lsearch{/etc/mailhelo}{$value}{${lookup{${perl{get_sender_from_uid}}}lsearch*{/etc/mailhelo}{$value}{$primary_hostname}}}}}}}{$primary_hostname}}
>    hosts_max_try = 5
>    hosts_max_try_hardlimit = 7
>    multi_domain = true
>    connection_max_messages = 20
>    max_rcpt = 20
> #  batch_max = 100
>    serialize_hosts = *
> #  ratelimit = 600 / 1h / strict
>    retry_use_local_part

>
>
> smtp_trafficmx_route2:
>    driver = smtp
>    interface = ${if exists
> {/etc/mailips}{${lookup{$original_domain}lsearch{/etc/mailips}{$value}{${lookup{$sender_address_domain}lsearch{/etc/mailips}{$value}{${lookup{${perl{get_sender_from_uid}}}lsearch*{/etc/mailips}{$value}{}}}}}}}}
>    helo_data = ${if exists
> {/etc/mailhelo}{${lookup{$original_domain}lsearch{/etc/mailhelo}{$value}{${lookup{$sender_address_domain}lsearch{/etc/mailhelo}{$value}{${lookup{${perl{get_sender_from_uid}}}lsearch*{/etc/mailhelo}{$value}{$primary_hostname}}}}}}}{$primary_hostname}}
>    hosts_max_try = 5
>    hosts_max_try_hardlimit = 7
>    multi_domain = true
>    connection_max_messages = 20
>    max_rcpt = 20
> #  batch_max = 100
>    serialize_hosts = *
> #  ratelimit = 600 / 1h / strict
>    retry_use_local_part

>
>
> So far I have tried this and also direct ip addres at interface = but all
> emails sent to domainX.com keep coming out from main IP. What am I doing
> wrong?
>
>
> I would appreciate your help and comments to figure this out guys. Thanks in
> advance.
>
>
>
>
>
> --
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>