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Using MailUp as a SMTP relay service for transactional emails

Starting with MailUp v8, we added the ability for MailUp customers to use their MailUp account as an SMTP relay service.

The service is called SMTP+ and it's You can use MailUp not only to run great email campaigns, but also to send transactional emails in a high-deliverability, high-capacity environment.

You can send transactional emails in two ways:

Both SMTP+ and the transactional email APIs are included at no additional cost with every MailUp account, leveraging MailUp's innovative pricing model.

This means that MailUp users can...