mydomain is not set at all. Who is using this parameter, what is it, and why is not the parameter set, on a fresh Ubuntu with all updates?
$ echo $mydomain $ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1895156 Title: package postfix 3.4.13-0ubuntu1 failed to install/upgrade: installed postfix package post-installation script subprocess returned error exit status 75 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/1895156/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
