# SMTP Domain Authentication / Sender Domain Verification
**URL:** https://community.brevo.com/t/smtp-domain-authentication-sender-domain-verification/760
**Category:** Campaigns
**Created:** [Février 18, 2024, 6:37 UTC](https://community.brevo.com/t/smtp-domain-authentication-sender-domain-verification/760 "2024-02-18T06:37:02Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@kootri](https://community.brevo.com/u/kootri)
#### Post date: [Février 18, 2024, 6:37 UTC](https://community.brevo.com/t/smtp-domain-authentication-sender-domain-verification/760/1 "2024-02-18T06:37:02Z")
It appears that emails delivered through brevo’s smtp service at [smtp-relay.brevo.com](http://smtp-relay.brevo.com) are sent through \<{username}@{some\_number}.t-sender-sib.com\>, as shown in the screenshot.
My use case requires sending emails as a user under my own domain, for example something like ([no-reply@example.com](mailto:no-reply@example.com)). Does brevo not have the feature of authenticating custom domain and sending smtp emails through that custom domain?
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### Author:  [@kootri](https://community.brevo.com/u/kootri)
#### Post date: [Février 18, 2024, 6:45 UTC](https://community.brevo.com/t/smtp-domain-authentication-sender-domain-verification/760/2 "2024-02-18T06:45:41Z")
I was able to find the answer to my own question.
If you own a domain and would like to deliver emails through brevo, you need to authenticate your domain. Here’s brevo’s documentation on how to do that: [Authenticate your domain (Brevo code, DKIM, DMARC) – Brevo - Help Center](https://help.brevo.com/hc/en-us/articles/12163873383186-Authenticate-your-domain-Brevo-code-DKIM-DMARC)
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### Author:  [@ahudavert](https://community.brevo.com/u/ahudavert)
#### Post date: [Février 19, 2024, 8:18 UTC](https://community.brevo.com/t/smtp-domain-authentication-sender-domain-verification/760/3 "2024-02-19T08:18:36Z")
Exactly, thanks @kootri for posting here the conclusions of your investigation!