MangoApps email notifications can be configured for Teams(Departments, Groups, Projects) however the email notifications cannot be configured at the individual team level.

If a user wish to receive notification only for certain team and not from all the teams, here is a work around :-

First the user need to pin the team which he wants to receive the notification for. Refer the article to pin a team.

Once the team is pinned, enable the email notification for the pinned team. Refer the article