The following steps are required to change the spam notifications:
Use the wildcard * for all, or enter a specific user in the field "User Name".
Select the preferred language for notifications
Select via "Queue Report" if a spam notification should be enabled for the user(s)
Choose, if HTML Mail Format is to be used for the notifications
Select with the "Change" checkbox, if the settings should be processed
If the checkbox is not set, only a preview of the settings and corresponding users will be shown
Click start to process the diagnose
All changes will be performed if the "Change" Checkbox is activated.