Ioannis Tsouvalas put forth on 5/30/2010 9:47 AM:

> Stan thanks for the reply, and please excuse me for the time interval in
> between your post and my reply. "Geek" and "neato!" wasn't exactly what I
> was aiming for, but still I appreciate that you identified the "geeky"
> complexity of the idea that I had in my head on this implementation. I have
> to admit that except the insight to get this thing going, you also did get
> me searching through the dictionary! Nevertheless, based on the fact that I
> highly appreciate anyone's time and thinking, I thought I should write back
> first and then give it a try, so let me get back to you later on, today I
> hope! 
> As far as the network diagram its hidden between the lines of my first post
> (net,fw,dmz,loc - shorewall three interface firewall) but I will be more
> thorough and descriptive if what I have at hand doesn't get me going.

Hi Ioannis.  Your Postfix errors seem to be TCP/IP related.  All I'm
suggesting is to eliminate everything possible that touches the packets in
between Postfix and remote hosts.  Once you've stripped all of it out and
Postfix is working properly again, you can start adding things (f/w) back
piece by piece until you break things again.  This should help you identify
the source of the problem.  I.e. process of elimination.  Also, reset all
vmxnet devices to their default settings with the exception of custom VLANs
you've created, assuming such custom VLANs are working properly.

-- 
Stan

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