Open your browser and either go to the BT website - http://home.bt.com/ and click on Email in top right corner, or go directly to the BT Mail login page - https://signin1.bt.com/login/emailloginform

 

Enter your email address and password and click Sign in

 

 

 

Once logged in you will see the main BT email page - here you can navigate between Mail, Contacts, Calendar and Tasks by selecting the relevant tab (as shown in red square below)