I'm not sure it should be recommending to have a domain in the hostname... If you're installing Postfix, you should know to check the hostname. What do other people think?
** Changed in: debian-installer (Ubuntu) Importance: Untriaged => Low -- Installer makes it easy to mess up the hostname https://launchpad.net/bugs/49530 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs