This error appears becuase amavis is not configured yet and therefore cannot start. As the message above shows you need to configure your FQDN in /etc/amavis/conf.d/05-node_id.
** Changed in: amavisd-new (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1798016 Title: package amavisd-new 1:2.10.1-2ubuntu1 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/amavisd-new/+bug/1798016/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs