Forbid sendings and reception of mails to/from Internet

I want to forbid for few of our users on our Domino server the sent and the reception of mails from/to Internet. Can we disable the SMTP gateway for specific users?

Subject: Forbid sendings and reception of mails to/from Internet

Look at Administrator Help. The English titles of the documents you want are:

Restricting users from sending internet mail

Restricting users from receiving internet mail

Subject: RE: Forbid sendings and reception of mails to/from Internet

Stan,

Ihave this kind of error messages :

SchedMgr: Error processing calendar profile document (NoteID: NT000008FE) in database mail\njean.nsf: User’s mail is being forwarded to another location