: Use the cPanel Mail Delivery Reports to search for unauthorized emails sent from your system.

: Indicates that the data targets the webmail interfaces (e.g., Roundcube or Horde) typically hosted at example.com:2096 or ://example.com .

: If supported by your hosting provider, enable external authentication or two-factor authentication to add a layer of security beyond passwords.

If you are managing a server and suspect your accounts are in such a list, you should take immediate action:

: Immediately change passwords for all cPanel accounts. Use the Password & Security interface to enforce strong, unique passwords.