This topic is for administrators and developers with administration access rights in Magento 2.
This topic describes how to configure sending of transactional mails via SMTP API with Magento 2. For transactional mails via the HTTP API, see Transactional mails via HTTP API.
Prerequisites: You need an SMTP API user account for the SMTP connection between Optimizely Campaign and your shop. To set up the account, contact customer support. You will receive a user name and password for the SMTP API.
To configure transactional mails via SMTP API, do the following: