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Mail Essentials - DMZ

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Mail Essentials - DMZ - 25.Sep.2001 8:26:00 PM   
adagost

 

Posts: 26
Joined: 8.Aug.2001
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I have ISA 2000 firewall, exchange 2000 on a Windows 2000 network.

I am putting mail essentials on a separate PC between the mail server and firewall.

It is a 192 network in the DMZ. My internal network is a 10.10. The PC will not have a 10.10 network card.

Does this PC with windows 2000 have to be part of the domain?

What is the best way to configure?

I am looing for some additional insight from others who have done this.

Thank you

Post #: 1
RE: Mail Essentials - DMZ - 28.Sep.2001 7:22:00 PM   
robert

 

Posts: 434
Joined: 24.Jan.2001
From: Malta
Status: offline
It can be part of the domain but it can be that it is not part of the domain as well. You can install mail essentials as an SMTP server and make the mx record point to the Mail essentials machine not to the exchange machine. Then you can make the Mail essentials point to your exchange. In this way you have a mailgate between the firewall and the mailserver.

(in reply to adagost)
Post #: 2
RE: Mail Essentials - DMZ - 1.Oct.2001 11:29:00 PM   
adagost

 

Posts: 26
Joined: 8.Aug.2001
Status: offline
quote:
Originally posted by robert:
It can be part of the domain but it can be that it is not part of the domain as well. You can install mail essentials as an SMTP server and make the mx record point to the Mail essentials machine not to the exchange machine. Then you can make the Mail essentials point to your exchange. In this way you have a mailgate between the firewall and the mailserver.

I have it working coming into the mail server. I want the mail server to go to the mail relay box - then out the isa firewall. I get it to hit the mail relay box. It gets stuck in the queue there.
What do I have to do to get the mail relay box to send to the ISA and out. The ISA server does not have SMTP on it so I have the mail relay box set with my DNS servers - not with a smart host.
The mail relay is in a DMZ with one nic on a private nework. The only server with public access is the firewall
Please help!


(in reply to adagost)
Post #: 3
RE: Mail Essentials - DMZ - 4.Oct.2001 10:54:00 AM   
robert

 

Posts: 434
Joined: 24.Jan.2001
From: Malta
Status: offline
Just make the gateway of the mail relay machine as the ISA-Server. Like this all mails are sent out from the relay machine, trough isa-server and to the outside world.

(in reply to adagost)
Post #: 4
RE: Mail Essentials - DMZ - 4.Oct.2001 4:21:00 PM   
adagost

 

Posts: 26
Joined: 8.Aug.2001
Status: offline
I do have the mail relay box nic set with a default gateway of the ISA.

Is there some type of filter i have to build.

Thank you


(in reply to adagost)
Post #: 5

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