# How to authenticate email domain for free discourse subdomain?

**URL:** <https://meta.discourse.org/t/how-to-authenticate-email-domain-for-free-discourse-subdomain/396346>\
**Category:** Self-hosting\
**Tags:** email\
**Created:** [February 18, 2026, 2:23am UTC](https://meta.discourse.org/t/how-to-authenticate-email-domain-for-free-discourse-subdomain/396346 "2026-02-18T02:23:37Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![ComradeDog](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/comradedog/32/544019_2.png) [@ComradeDog](https://meta.discourse.org/u/ComradeDog)\
**Post date:** [February 18, 2026, 3:24am UTC](https://meta.discourse.org/t/how-to-authenticate-email-domain-for-free-discourse-subdomain/396346/5 "2026-02-18T03:24:35Z")

</div>

Yep, my protonmail account is not accepted by Brevo. The whole domain is blocked. Looks like I’ll be setting up my own domain a little earlier. Thanks.

---

_[View the full topic](https://meta.discourse.org/t/how-to-authenticate-email-domain-for-free-discourse-subdomain/396346)._