Kolusion K:
> Good point. Now that I think about that TCP dump, it did use 192.168.2.2.
> 
> I can't see why there is no route. The firewall on the other side
> is set to allow traffic through and it logged blocking traffic
> before I allowed it. Maybe there is a problem with routing.

One reason could be that IP forwarding is not enabled by default.
Additionally, you have a very complex routing configuration.

> I will do a traceroute from the Postfix server tomorrow and or
> other investigation to see what's up.

You will need to do traceroute with a very specific source IP address.

    traceroute -s 192.168.2.2 ...

You may also need to specify "-P tcp", "-p 25"  and other options
if your routes depend on the protocol or destination port.

        Wietse
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