The email on events options are duplicated .
On the following image the options are duplicated with "Any change enabled "
The config should be as the following avoiding duplicated options :
1) Only with "any change option enabled :
2) Choosing the alerts you need to be sent without "any change" option enabled :
This issue has been resolved by upgrading the K1000 server to 6.4 SP1. Please see this link: https://support.quest.com/download-install-detail/6061428
Go to Service Desk | Configuration | Queues and choose the queue. Then find the "Email on Events"
Disable the any change option or disable the rest of the options depending on the need have the "Any change" option is enabled.