This article will show you how you can turn off the Website Blacklist Monitoring weekly emails through your 123-reg Site Scanner package.
Login to your 123-reg Control panel and scroll down to the Security section, and click on the Site Scanner link.
Click on the View button for the relevant domain name with Website Blacklist Monitoring.
Simply untick the box that says Weekly Email Notification, and then click the Save button. This will turn off your weekly monitoring emails.