Hi
> ! Indeed, we NAT through a Cisco Firewall.
Then splitting the IP will not be of any use.
Other Mail Servers will only see the IP of the NAT Firewall and will once
again block everything.
> ! I have also set the following line in the exim.conf file :-
>
> local_interfaces = 10.0.0.112.25 and local_interfaces =
> 10.0.0.113.25 in the different exim config files.
This is for inbound transfer.
Outbound transfer is controlled by "interface(s)" option of the smtp
transport.
See: interface in
http://www.exim.org/exim-html-4.60/doc/html/spec.html/ch30.html
Regards,
Steffen