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

now jeff, where is your sense of adventure?

Jeff Pitsch wrote:

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 <mailto: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>
    [mailto:thin-bounce@xxxxxxxxxxxxx
    <mailto:thin-bounce@xxxxxxxxxxxxx>] On Behalf
    >Of Philip Walley
    >Sent: November 29, 2005 12:22 PM
    >To: thin@xxxxxxxxxxxxx <mailto: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>
    >><mailto: 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>>
    >>    > <mailto: 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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