You can enable a reminder to email a notification when an issued certificate is about to expire.
You can also control who should receive the email.
To enable the basic email reminder, you need to modify the template used to generate certificates of your course:
If you need to use different message template, you can create one.
By default, the notification is sent to:
You can add more users by modifying the message template.
Please mind: The shared template can be used by other instructors too. To prevent problems, create a message template just for your courses.