[Email Security] Update Email Routing overview page (#21033)

Author: Maddy-Cloudflare

src/content/docs/email-routing/index.mdx

@@ -41,8 +41,8 @@ Email Routing includes metrics to help you check on your email traffic history.
 
 ## Related products
 
-<RelatedProduct header="Area 1 Email Security" href="/email-security/" product="email-security">
-Cloudflare Area 1 Email Security is a cloud-native service that stops phishing attacks, the biggest cybersecurity threat, across all threat vectors - email, web, and network - either at the edge or in the cloud.
+<RelatedProduct header="Email Security" href="/cloudflare-one/email-security/" product="email-security">
+Cloudflare Email Security is a cloud based service that stops phishing attacks, the biggest cybersecurity threat, across all traffic vectors - email, web and network.
 </RelatedProduct>
 
 <RelatedProduct header="DNS" href="/dns/" product="dns">