On Mon, 22 May 2000, you wrote:
> On Fri, 19 May 2000, Grace M. Garcia wrote:
> 
> > 
> > SCENARIO: A mail server is running sendmail. The workstations
> > within the network is assigned with internal IP addresses. IP addresses
> > are assigned via DHCP. 
> > 
> > QUESTION: I want to restrict a number of users from sending out mails into
> > the internet but are allowed to send within the network. How can I do
> > this?
> 
> Why restrict by ip?  Can't you restrict using username via sendmail rules?

Usernames can be forged.

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