[Email Security] Partner domain TLS

Author: Maddy-Cloudflare

src/content/docs/cloudflare-one/email-security/setup/partner-domain-tls.mdx

@@ -0,0 +1,17 @@
+---
+title: Partner domain TLS
+pcx_content_type: how-to
+sidebar:
+  order: 2
+---
+
+To add additional TLS (Transport Layer Security) requirements for emails coming from certain domains, you can enforce higher levels of SSL/TLS inspection. If TLS is required, mail without TLS from the specified domain will be dropped.
+
+To set up a partner domain TLS:
+
+1. Log in to [Zero Trust](https://one.dash.cloudflare.com/) and select **Email security**.
+2. Select **Settings** > **Partner domain TLS** > **View**.
+3. Select **Add a domain**.
+4. Enter a valid domain name. You can also exclude subdomains by selecting **Add exclude**.
+5. (Optional) Add an optional note to describe your rule.
+6. Select **Save**.