The platform sends communications via Email, SMS and Mobile App (if configured). You have the ability to control the method of how your communications can or can't be sent. By default the platform has Email and SMS sending On, this allows any user with access to the platform to send their communications via Email and SMS to a recipient. If you'd like either delivery method to be unavailable for your users, you can toggle the relevant method Off. Only a System Administrator can control the settings.
Navigate to the Admin Menu
Select Account Settings
Under General Settings, scroll to Email/SMS Sending
Toggle On or Off for each delivery method
Select Save