2. Add a Domain
5. Create a new SMTP Account and enter the SMTP settings from step 3.
Click “Create” and you’re all set! MergeMail will automatically verify that the account settings are working.
Choosing a Mailgun Plan
Mailgun will let you send 10,000 emails for free per month. If you need more emails than that, you can find more information about their plans on their Pricing page.