Hello, I’m setting up a self-hosted Discourse for a small community, and using a subdomain provided by Discourse i.e. [mydomain].discourse.diy I’ve run into a problem using Brevo as my email provider. Brevo is receiving the emails sent by Discourse but not sending them, with error message: “Sen…

How to authenticate email domain for free discourse subdomain?

Falco (Falco) February 18, 2026, 2:33am 2

In this case you will need to use a domain under your control.

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