You’ll find many examples online on how to configure SQL Database Mail. These work great to demonstrate the process, but some might get confused on what to actually use for the ‘recipients’. It’s better to simply use a distribution group. If you need to add more people to the email notifications simply add them to the distribution group. Otherwise; you would end up hardcoding email addresses in and out of your notification steps within your jobs. Not a good idea, and completely inefficient. Have more than one ‘type’ of alerts going on? Create more distribution groups and apply them accordingly. Do not mettle around directly in your notification logic if you can help it.
Sample notification logic: