Inactivating system notifications
Inactivate a system notification to stop it from emailing users. You can activate the notification if you decide to use it again.
1. Choose Tools > Administration > Automation Rules.
The Configure Automation Rules dialog box opens.
2. Select an item Type.
3. Select a notification and click Inactivate.
The notification is inactivated.
Note: To activate an inactive notification, select it and click Activate.