[Email Security] Email Link Isolation limitations

Author: Maddy-Cloudflare

src/content/docs/cloudflare-one/email-security/email-monitoring/search-email.mdx

@@ -308,6 +308,12 @@ To open and investigate a link in an external tool:
 3. Locate the link you want to open, and select **Copy URL**.
 3. Paste the link in your external tool.
 
+:::note
+If you purchased Gateway and Remote Browser Isolation, use these instead of Email Security's Email Link Isolation as more customizable. 
+
+Email Security Email Link Isolation cannot access Remote Browser Isolation's **Clipboard**, **Device Interaction**, and **File Access** policy settings on the Cloudflare dashboard.
+:::
+
 :::caution
 You may encounter a `400 Bad Request` error after turning **Clientless Web Isolation** on.