No, clients have full control on their own mailbox. Rules are client side.
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Robert Sparnaaij [MVP-Outlook]
Coauthor, Configuring Microsoft Outlook 2003
http://www.howto-outlook.com/
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http://www.msoutlook.info/
Real World Questions, Real World Answers
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"My interest" <(E-Mail Removed)> wrote in message
news:05abf976-0cda-4ddb-8747-(E-Mail Removed)...
> I know how to configure at the mail server level. Is there any way to
> also configure it at client side (for some reasons) and is it possible
> for the adminstrator to set some group/individual policies to prevent
> people from modifying the settings?
>