Emails are sent using PHP's built-in mail function. If you or your customers are not receiving store notification emails then you should contain your web hosting provider and ask them to make sure PHP's mail function is working as it should.
Notifications such as placing a new order and order status changes cannot be disabled from the control panel, however you can disable notification emails for returned items (RMA's) by clicking the Settings menu and choosing the Return Settings option. The Notification Settings section allows to to choose exactly which notifications should be sent:


The article has been updated successfully.