Another workaround is to add some other nameserver to /etc/resolv.conf instead of 127.0.0.53.
For example: nameserver 193.2.1.72 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1728560 Title: Cannot resolve smtp-mail.outlook.com To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1728560/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs