Version v0.36 of Metabase is no longer supported. Check out the docs for the current stable version, Metabase v0.63.
Since Metabase is a self-hosted tool, things like email notifications are configured by someone within your organization — if you reach out to them, they should be able to check the configuration settings and make sure everything is set up correctly. It may help to point them to this guide on enabling email functionality.
