There are several system notifications: on order placement, opening of a new lesson, etc.
You can’t edit its text, but you can turn any of these notifications off. You can create a new mailing with a custom text instead of the system notification.
Here is a list of all notifications ('Messages' - 'Settings' - 'Notifications') and their text:
Order placement, the notification for administrators:
Order placement, the notification for users (you can turn this notification off in offer settings; a list of payment options depends on connected payment systems):
Receipt of payment, the notification for administrators:
Payment acceptance, the notification for administrators:
Response for ticket to technical support team is received:
Response from other user is received:
Comment on a website or a blog:
New comment in a training:
Comment for an answer in a lesson:
Answer to a lesson is received:
Answer in a lesson is checked:
Referral order is paid: