Edit profile default settings

[Mike4x4]

When editing my profile on a vbulletin and selecting general options is there a way i can set the default options for these settings and to disable all my users from changing the options in general settings?:

# EMail Notification of New Private Messages:

* Receive Email Notification of new Private Messages
* Don't receive Email Notification of new Private Messages

The forum can send a message to your email address to inform you when someone sends you a private message.
# New Private Message Notification Pop-up:

* Show New Private Message Notification Pop-up
* Don't show New Private Message Notification Pop-up