I've got a VPS set up that handles some mail for my domains. I've set up a Postfix to do virtual mailboxes and it all seems to work. I've set it up so relaying requires authentication and that the ...

I have Postfix set up on RedHat 7.0. I want to be able to relay any mail that comes in addressed to any <user>@somemadeupdomain.com to a specific ipaddress. I was told by someone here that I have to ...