If you wish to restrict bookings coming from a certain e-mail address, telephone number or domain, access the customer list and click on the Add restrictions button, located at the top of the page.
![](https://www.bookitit.com/wp-content/uploads/2021/05/restrict-1024x88.jpg)
From here, select the type of restriction you are dealing with in the drop-down box: e-mail, phone or domain and indicate which one in the box below.
If you want only users with a certain email domain to be able to book online, such as your company’s corporate domain, select “domain” from the drop-down menu. Then check “Allow only emails from this domain”, enter the domain and save before exiting.
![](https://www.bookitit.com/wp-content/uploads/2021/05/Restrict-customer-1024x436.jpg)
Below you will have a list of all the restrictions you have created, which you can remove by clicking on the corresponding icon.
![](https://www.bookitit.com/wp-content/uploads/2021/05/restrict_2.jpg)