This is already covered in the documentation. As an example, see http://www.postfix.org/VIRTUAL_README.html for virtual.
** Changed in: postfix (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to postfix in Ubuntu. https://bugs.launchpad.net/bugs/1447755 Title: Provide default configuration files for transport, virtual, etc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1447755/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs