Turn on an email message filter that applies to all user accounts on a BlackBerry Enterprise Server
In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view > Email.
Click the instance that you want to change.
Click Edit instance.
On the Email message filters tab, click the Edit icon beside the email message filter you want to turn on.
In the Enabled drop down list, click Yes.
Click Save all. The BlackBerry Administration Service applies email message filters in the order that they are listed in.