Want to create a free domain email in the workspace, you have to go to this link https://in.godaddy.com/help/create-my-workspace-email-account-7600 and log in to your email account using Godaddy username or password. Then see the email address list, press on create and type your email address name or choose your domain. After that, enter or confirm the password, hit the create button. Wait for a few minutes to set up your email account, when you have received the confirmation email, then press the next button.
For more info - https://getassist.net/godaddy-workspace-webmail-login/