[Email Security] Large scale moves (#20587)

* [Security Center] Add roles to CF Fundamentals

* [Email Security] Large scale moves

* Revert "[Security Center] Add roles to CF Fundamentals"

This reverts commit ad31c40.

Author: Maddy-Cloudflare

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

@@ -146,7 +146,7 @@ To escalate a reclassification:
 
 ## Move messages
 
-Moving messages allows you to move messages to a specific folder.
+Moving messages allows you to move messages to a specific folder. You can move up to 1,000 messages at a time.
 
 To move messages: