10/14/2021
Types of messages
Emails are sent manually and automatically.
Automatic emails are sent in response to a user action when a trigger or transaction is triggered. For example, trigger emails welcome new subscribers and tell them about the services they've ordered, while transactional emails notify them that they've paid for an item.
Non-automatic emails - or manual, one-time emails - are any regular emails: digests, special offer notifications, newsletters. In general, those that are created from scratch each time and for some purpose. For example, this letter has the purpose of being useful for your online project :)
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