In a typical workflow, the MailUp database is automatically fed with data from the external system, so that manual imports can be avoided. MailUp then returns important information such as unsubscribed users, invalid email addresses and marketing statistics. In order to understand which solution better suits your needs, let's look at your scenario.
- Is the database managed inside or outside MailUp?
- Is the email message composed inside or outside MailUp?
Here you can find recommended MailUp API methods to execute specific tasks.
For sending transactional emails, you have a choice of using our SMTP relay or transactional messaging APIs.