Prevent users from sending large attachments

If you prevent users from sending large attachments, they can only send specific attachments, such as certificates and contact list entries, that are less than a single packet.
  1. In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view > Email.
  2. Click the instance that you want to change.
  3. Click Edit instance.
  4. On the Messaging tab, in the Messaging options section, in the Maximum single attachment upload size (KB) field, type 0.
  5. Click Save all.