This isn't a bug. It's a new feature in 2.9 that warns if a parameter is unused. What it means is that there is a typo in either main.cf or master.cf.
-- 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/991341 Title: Postfix 2.9.1 - unused parameter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/991341/+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