I want to use the smtp proxy server w/ qmail. I have two options to configure. One is a Central Mail Hub Relay and the other is a null client.
If I'm placing the qmail server in the service network for use with the proxy, which configuration should I use? Central Mail Hub Relay or Null Client?
I've seen network designs that have two email servers, one on the internal LAN and one in the DMZ/Service network. Does the ASL smtp proxy eliminate the need for the internal server?
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