Hi, I am running on a VPS and I am trying to set it up to relay incoming mail to my smtp server.
Incoming connections to VPS on Port 25 -across internet---> Home monowall on port 12345 to smtp server behind monowall on port 25.
The issues I am having is getting the monowall on the VPS to forward the smtp traffic to my home monowall box over the internet.
Right now I am just using socat to forward all port 25 traffic to another IP but on my mail server it looks like all the traffic is coming from my VPS IP and the spam blocking based on blacklisted IP's doesn't work very well.
Not sure if this makes sense.
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Topic: nat to external IP