Hi list Im in the second part of my adventures configuring postfix servers :-).
This time my idea is to do a frontend relay server where only receives mail and relay to the backend data server. I discovered the filter $relayhost variable (to send mail), but for incoming mail I don't know how to relay mail (is filtered, all is valid mail) to the backend server using IP. I discover $transport_maps http://www.postfix.org/STANDARD_CONFIGURATION_README.html but only I need to relay any mail to other IP, how I can do this? Or only exist this option to config this? And last question, $relayhost affects incoming mail? Any other suggestions to do better relay? cache? Best Regards
