Can you type the following commands into the terminal and give me the response? They won't change anything on your system, just list some settings.
$ postconf myhostname $ cat /etc/hosts $ cat /etc/hostname -- package postfix 2.5.5-1.1 failed to install/upgrade: https://bugs.launchpad.net/bugs/377571 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
