You can add as many email templates as needed on Expiration Reminder. This allows you manage different email contents that are going to be sent as notifications.
Creating the template
Click on Your Account on the top menu and then on Settings.
Then click on Email Templates on the left menu.
Then click on the green button to create a new template.
In the new screen enter:
Name: the name of the email template.
Mobile template: what mobile template is going to be used when sending this email.
Subject: enter the subject that's going to be used when sending the email.
Body: enter the content of the notification or email.
Click on Save to save the new email template.