thanks, but we use SMTP/POP3 internally between remote offices.
----- Original Message -----
From: "Jason Kent" <[EMAIL PROTECTED]>
To: "'Daniel Bocage'" <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Sunday, June 25, 2000 12:01 PM
Subject: RE: [FW1] SMTP per user
> Well, in Exchange, if you remove the SMTP address from a user, they will
not
> be able to receive internet email.
>
> I'm not positive, but I believe the can still try to send email, but I'm
> sure the From field in the header would be 'messed up' for lack of a
better
> term.... don't know if it would be empty, or if they would be all messed
up
> in the same way.... but assuming that Exchange used the same From header
> for all senders that did not have an SMTP address, you could then block
that
> at the firewall.
> (you'd have to do some testing on that one....maybe I'll check that out a
> little later today or tomorrow...or if you get to it sooner, let me know
> what happens)
>
> Jason
>
> > -----Original Message-----
> > From: Daniel Bocage [mailto:[EMAIL PROTECTED]]
> > Sent: Sunday, June 25, 2000 6:13 AM
> > To: Robert MacDonald
> > Cc: [EMAIL PROTECTED]; THELLIER,
> > Francis (Kedros)
> > Subject: Re: [FW1] SMTP per user
> >
> >
> >
> > Thankyou for your answers, what I meant was this:
> >
> > Some of our users will not be given permission to
> > send/receive mail from
> > Internet. How can I block them at the FW-1 (I couldn't find a
> > way to do
> > it on the Exchange 5.5 server)?
> > For example I could write a huge list in the Recipients field
> > of the SMTP
> > resource but it would be impossible to manage (About 400
> > users can send
> > and 200 can't).
> > Is there a way to obtain this list from an LDAP server for example?
> >
> > I share your idea about the policy but the managers are
> > convinced that
> > is the right way to go, so unless technically it's too complicated or
> > difficult to manage they want to go for it.
> >
> > thanks,
> > Ing. Daniel Bocage
> >
> > Robert MacDonald wrote:
> >
> > > Daniel,
> > >
> > > Your request is not very clear, but I'll try and
> > > make some assumptions(ack!).
> > >
> > > If intention is to limit the number of emails
> > > that an internal user may get, get/send, send,
> > > then you'll most likely end up writing some
> > > cludge script to accomplish this. This would
> > > appear to be real nasty. Unless there are
> > > packages out there that do this, I don't
> > > think it's possible without a lot of work.
> > >
> > > If the intention is to limit the number of emails
> > > someone can inject into your site, then sort-of.
> > > FW-1 has a config that can do this. But then
> > > if someone really wanted to send email into
> > > your site, they can just break your site into
> > > chunks.
> > >
> > > If I were you, I would look through that policy
> > > you have and remind all offenders/abusers
> > > of your mail system about non-work related
> > > email usage.
> > >
> > > Then, if they continue, feel free to cut them
> > > off, becuase your policy's abuse clause said so.
> > >
> > > Use technology to fix technological issues. Use
> > > common sense and a thick, heavy policy for
> > > all else ;).
> > >
> > > Robert
> > >
> > > - -
> > > Robert P. MacDonald, Network Engineer
> > > e-Business Infrastructure
> > > G o r d o n F o o d S e r v i c e
> > > Voice: +1.616.261.7987 email: [EMAIL PROTECTED]
> > >
> > > >>> "Daniel Bocage" <[EMAIL PROTECTED]> 6/23/00 10:10:09 AM >>>
> > > >
> > > >How can I limit incoming and outgoing mail (SMTP) per user
> > on a FW-1
> > > >gateway?
> > > >
> > > >thanks,
> > > >
> > > > Ing. Daniel Bocage
> >
> >
> >
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