SatisMeter helps you understand how your customers see your product by automatically collecting customer feedback using surveys on an ongoing basis. When sending email surveys you can opt users out of receiving these surveys.
Note: There is no limit to the number of users you can add to this list.
To opt users out of receiving email surveys:
Go to your Project Settings page > Unsubscribe list
Enter the email address that you want to exclude
Hit 'Add Emails' and you're done