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

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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