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Apr 2, 2025
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Update mta-sts.mdx #21306

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6 changes: 4 additions & 2 deletions src/content/docs/email-routing/setup/mta-sts.mdx
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Expand Up @@ -31,7 +31,7 @@ Next you need an HTTPS endpoint at `mta-sts.example.com` to serve your policy fi

To do this you need to deploy a Worker that allows email clients to pull Cloudflare’s Email Routing policy file using the “well-known” URI convention.

4. Go to your **Account** > **Workers & Pages** and press **Create Application**. Pick the default "Hello World" option button, and replace the sample worker code with the following:
4. Go to your **Account** > **Workers & Pages** and select **Create**. Pick the default "Hello World" option button, and replace the sample worker code with the following:

```js
export default {
Expand All @@ -41,7 +41,9 @@ export default {
};
```

5. This Worker proxies `https://mta-sts.mx.cloudflare.net/.well-known/mta-sts.txt` to your own domain. After deploying it, go to the Worker configuration, then **Triggers** > **Custom Domains** and **Add Custom Domain**. Type the subdomain `mta-sts.example.com`.
This Worker proxies `https://mta-sts.mx.cloudflare.net/.well-known/mta-sts.txt` to your own domain.

5. After deploying it, go to the Worker configuration, then **Settings** > **Domains & Routes** > **+Add**. Type the subdomain `mta-sts.example.com`.

![MTA-STS Worker Custom Domain](~/assets/images/email-routing/mta-sts-domain.png)

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