[teekert]

"Thanks for reporting this to us. Don't worry, we're always here to help our customers with best possible resolution. I understand your clients are facing issue with accessing this website. All you need to do is just ask them to get in touch with us and we will validate your accounts and help them to get the restrictions lifted."

One would almost be tempted to code a button that sends that email, or even ask permission to every user to send it for them automatically.