The error is: newaliases: warning: valid_hostname: numeric hostname: 10
newaliases: fatal: file /etc/postfix/main.cf: parameter mydomain: bad parameter value: 10 -- package postfix 2.7.0-1 failed to install/upgrade: https://bugs.launchpad.net/bugs/544510 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs