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Reaching an internal exchange server. Work with NAT?

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dissolved

Technical User
Jul 15, 2004
11
US
Would some experts look at this and tell me if this is going to work please?
help.jpg


Explanation:
In the diagram, I am doing kind of a half a$$ DMZ by using two cisco routers with a back-to-back cable. This segments the network, but makes one too many networks than I need (dont need the extra 192.168.0.0) However, this is all I have got to work with. Ideally I should be using two firewalls to create a DMZ (I know), but I dont have those yet.

Problem: I need to have internet email reach my internal mail server. I am not sure it is possible with the way I have things set up.

Is there a way for mail sent to dissolved@dissolvedz.com to reach my internal mail server? Will all those NAT translations screw anything up?
Thanks
 
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