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

My entire point of that post though was to eliminate your exchange box being
directly exposed to the internet.  Not something you typically want to do.

Jeff


On 11/29/05, Philip Walley <mythinlist@xxxxxxxxx> wrote:
>
> 2003s built in spam filter seems to be a pretty good product.
>
> Grant, Lachlan ISMC:EX wrote:
>
> >I've used both NetIQ's MailMarshall and ClearSwift's MIMEsweeper in a DMZ
> to
> >handle both incoming and outgoing mail which will also stop you from
> putting
> >your exchange server up for grabs. They both do pretty well if you've got
> >the hardware for them. I prefered MailMarshall, it seemed to be more
> stable
> >than MIMESweeper.
> >
> >You can do some really neat content filtering stuff with these products,
> >especially if you've got a user base who likes to push the rules.... And
> >also makes some pretty reports to justify more spending or anything else
> >you'd like to prove.
> >
> >Lachlan.
> >
> >-----Original Message-----
> >From: thin-bounce@xxxxxxxxxxxxx [mailto:thin-bounce@xxxxxxxxxxxxx] On
> Behalf
> >Of Philip Walley
> >Sent: November 29, 2005 12:22 PM
> >To: thin@xxxxxxxxxxxxx
> >Subject: [THIN] Re: OT: Exchange - bringing e-mail in-house
> >
> >
> >trend scanmail, runs on the server and works like a champ
> >
> >Jeff Pitsch wrote:
> >
> >
> >
> >>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
> >><mailto: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>
> >>    > <mailto: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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> >>
> >>
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