To stop receiving alerts for desired database(s) please do the following:
Start the Spotlight Cloud app -> Home -> Alarms -> in the “Configure Alarms” search box type in “backup” and click on the Edit button of the “Backup – Days since last full backup” option
Once in the “Backup – Days since last full backup” window click on the “Add exclusions” button and type in the name of database you want to exclude/remove, i.e. not to receive alert for -> click the
OK button to save latest configuration: