The following problem: I had some issues setting up SMTP for Digital Ocean. And also other hosters, since there seems to be a tendency towards “we will not allow SMTP traffic” for a good reason. Please also refer to this thread: Use Mailgun API, instead of SMTP for onboarding-emails? The idea here…

I notice you’re using a sandbox domain. MG doesn’t allow delivery to anywhere except the addresses registered with it if you’re using the sandbox. If you’ve got a mismatch between the addresses MG thinks are OK for the sandbox and the address you’re trying to sign up, that’s a problem. You probab…

Make onboarding emails also work via API (not only SMTP)

Developer help Self-hosting

Cathy_Sarisky March 28, 2025, 9:37pm 3

Vikas, the docs don’t show an example with Mailgun API, only SMTP. Might be a docs problem, though!

Transactional mail with Digital Ocean

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Make onboarding emails also work via API (not only SMTP)

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