Enable emails setup at the global level

[santhoshb-msft]

Is your feature request related to a problem? Please describe.
Currently email setup needs to be at the plan to trigger emails.

Describe the solution you'd like
We need to enable emails at the global level so the plan level can be optional.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.