Transactional emails are the type of emails you send to a legatee to facilitate commercial activity. You send it following a commercial matter or in rejoinder to a clear-cut action performed past the recipient. An example is a confirmation email that you send to a person that ordered a output from your co-op give credence to; this statement lets the legatee recollect that they entered into a valid transaction. Because transactional emails are required to advance critical transactions, businesses do not constraint to obtain stated agree from the recipient to send them, distant from marketing emails where consent is required.