[THIN] Re: OT: Exchange - bringing e-mail in-house

On those thoughts, you may want to make another box in the DMZ the
receipient of the mail, scan it, do whatever with it, then forward it on to
the exchange box.  that way you protect yourself.

Jeff Pitsch


On 11/29/05, Philip Walley <mythinlist@xxxxxxxxx> wrote:
>
> You'd want to change the MX and the A records I believe, but yeah, that
> and making sure that you have a public IP on your outside nat'd to the
> correct internal with port 25 open. Bingo! it works. You do need to make
> sure that the recipient policy is setup for your external email address.
> Exchange 2003 needs that to ensure that it will route it correctly.
>
> Jeff Pitsch wrote:
>
> > Maybe this is my ignorance but isn't it a simple change of the MX
> > record and making sure the proper port and IP is NAT'd through the
> > firewall to the server.
> >
> > Jeff Pitsch
> >
> >
> > On 11/29/05, *Mark Mucher* <mmucher@xxxxxxxxxxxxx
> > <mailto:mmucher@xxxxxxxxxxxxx>> wrote:
> >
> >     Sorry for the OT, but I couldn't think of a better group to steer
> >     me in the right direction.
> >
> >     We have Exchange 2003 on Server 2003 with internal e-mail and
> >     calendaring, etc. enabled.
> >
> >     The task now is to bring the external e-mail (now hosted by and
> >     ISP with our domain name) in-house.
> >
> >     I'm looking for a white paper, tutorial, etc. that will cover all
> >     the steps including routing the public IP to the Exchange server.
> >
> >     Thanks in advance for any and all suggestions.
> >
> >     Mark
> >
> >
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