RE: [ActiveDir] OT: Exchange Design Question

[Brian Desmond]

Well it’s a Juniper NetScreen probably not a server ... just a firewall. I'd 
either throw ISA there behind the Juniper or just go with option three and 
point the NAT on your Juniper straight to the backend. 

Thanks,
Brian Desmond
[EMAIL PROTECTED]

c - 312.731.3132


> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:ActiveDir-
> [EMAIL PROTECTED] On Behalf Of Mark Parris
> Sent: Tuesday, December 05, 2006 6:37 PM
> To: ActiveDir.org
> Subject: Re: [ActiveDir] OT: Exchange Design Question
> 
> Thanks for the responses so far - I have also been kicked for not
> mentioning that there is a Juniper server in the equation to which OWA
> is published.
> 
> So OWA goes through the Juniper appliance in another dmz and does not
> touch the ISA dmz.
> 
> Still the same responses?
> 
> 
> 
> Regards,
> 
> Mark Parris
> 
> Base IT Ltd
> Active Directory Consultancy
> Tel +44(0)7801 690596
> 
> 
> -----Original Message-----
> From: "Mark Parris" <[EMAIL PROTECTED]>
> Date: Tue, 5 Dec 2006 16:41:30
> To:"ActiveDir.org" <ActiveDir@mail.activedir.org>
> Subject: [ActiveDir] OT: Exchange Design Question
> 
> A friend of mine has asked me to ask the group the following Exchange
> related question.
> 
> An Exchange 2003 environment that has been upgraded from Exchange 2000
> needs to have SMTP reconfigured for outbound mail. There are two
> proposals on the table but they are not sure of the best approach.
> 
> 1 Exchange Frontend/Backend configuration with both servers on the
> internal network and an ISA server in the perimeter network publishing
> internal SMTP to the internet or in this case messagelabs
> 
> or
> 
> 2 Exchange Frontend/Backend configuration with both servers on the
> internal network and an SMTP server in the DMZ relaying to messagelabs
> 
> Messagelabs host the MX records and cleanses most viruses out of the
> emails but may change in the future though there is no current
> managment thinking to do so.
> 
> Given these two scenarios which one would most people choose and if so
> why?
> 
> The environment is approx 2000 users and there are eight sites  and the
> chosen SMTP configuration will be repeated in another site for
> resilience.
> 
> Many thanks as always,
> 
> 
> 
> 
> Regards,
> 
> Mark Parris
> 
> Base IT Ltd
> Active Directory Consultancy
> Tel +44(0)7801 690596
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