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I'm setting up a linux firewall and moving an
NT Mail server onto a new network behind this firewall.
The machine where the firewall resides has one
internal interface and one external interface. Dummy ip addresses are
used for machines on the LAN inside the firewall.
At the moment, we have just changed the
mail mx record to correspond to the new network address .
In my firewall I have a rule that maps any traffic
destined for the mail address to the internal mail server dummy ip.
When I email from the mail account to any external mail addresses and vice versa it
doesn't work.
can anyone help me as I have no idea what to do.
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