While doing the BT Account Sign Up does provide the correct and authentic details otherwise you may face problem while signing in your BT account. If you are facing any technical issue while doing the sign up then just take BT Mail Help 1-855-436-1666 as they will help you by resolving your problem faster. You can take help BT whenever you feel free as we are 24/7 available to assist our clients.
https://www.contact-customerservice.net/setting-bt-email-win-10/