Email trigger is an event, usually a customer action, that triggers an automated email to be sent out. These customer actions acting as email triggers can be:
and many, many others.
The purpose of email triggers is to make automated email marketing relevant and timely to the customer needs, reacting to what they do instead of pushing an unrelated line of communication.
In email tools like Metrilo, which are integrated with a CRM of their own, it’s easy to set up your own trigger events as best fits your business. Thus, you’ll be able to create any email campaign needed and use all opportunities available to engage, convert and retain your customers.
on Metrilo blog