Email Notifications for Errors and Warnings can only be enable or disabled, They cannot be limited or throttled once enabled.
A request for a product enhancement to have this feature added to Collaboration Services has been submitted.
Our product management team regularly reviews open enhancement requests considering them for inclusion in a future product release.
Please refer to the "New Features" section of the Product Release Notes for a complete list of Enhancement ID's addressed in the new release. These are available in our Documentation section of the Support Portal.
For more information regarding our enhancement request policy, refer to our Global Support Guide on the Support Portal at www.quest.com/support.