To change your login email, you will need to do so from the Preferences page.
NOTE: You cannot change the email login for another user in your Method account. The user will need to login themselves and make the change.
1. Click on the Gear icon and choose Preferences which will default to your profile.
2. This will bring you to your Profile. Change the Signin Email to one you wish to use. You cannot use an email that is already associated with a Method Account. Doing so will result in an error.
3. Select Save at the bottom of the screen.
4. Sign out of your Method account.
You can now sign in with your new login email!