I suggest you edit your /etc/hosts and replace 0000 with the hostname Kub1. This should make Postfix much less confused about your computers hostname.
Unless you object, I'll close this bug as Invalid. -- bug fixes,security updates fail to install https://bugs.launchpad.net/bugs/371816 You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to postfix in ubuntu. -- 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