ItHowTo.ro » postfix http://www.ithowto.ro Blog about IT realated stuff by WSS Tue, 06 Jul 2010 16:35:28 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 HowTo : add custom transport routes (maps) in postfix. http://www.ithowto.ro/2008/10/howto-add-custom-transport-routes-maps-in-postfix/ http://www.ithowto.ro/2008/10/howto-add-custom-transport-routes-maps-in-postfix/#comments Wed, 29 Oct 2008 10:13:27 +0000 gkoo http://www.ithowto.ro/?p=6 In postfix, when you need your e-mails for some specific domains to relay through another server ( your ip is blocked or for some other reason ) you can specify custom transport maps in the postfix config.

You have to setup postfix to use custom transport maps :

in  main.cf enable the transport_maps directive :

transport_maps = hash:/etc/postfix/transport

then edit the file /etc/postfix/transport and add to it :

example.com smtp:your.second.mailserver.com

close it and then rebuild the transport database file by entering the following command :

postmap /etc/postfix/transport

restart postfix and now every e-mail sent to example.com will relay through your specified e-mail server.

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