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Creating Smart Hosts in Exchange 2007 and forwarding email traffic in firewall

Posted on 2008-11-01
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Last Modified: 2012-06-21
Hi iam going to implement an IronPort C 350 device in my network . I need help in performing the following two tasks

first i need to create a smart host to relay the all outgoing emails through the ironport device( the ip address of the ironport is:192.168.1.1 and i am using exchnge 2007 and windows 2003 server)

second i need to relay all incoming mail traffic through the ironport port device (iam currently using juniper ssg20 and i am going to place the ironport device in a dmz zone) i want to know how do i need to route the mail  traffic is it through policies or through static routes

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Question by:mzhaim
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by:tenaj-207
ID: 22860400
First to route outbound email through see the attached the image.

Second to route email through the ironport set the firewall to point to the ironport then configure the ironport to forward to the exchange server.
Smarthost.jpg
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by:mzhaim
ID: 22860465
hi can you please provide me with a step by step guide on how to create the smart host in exchange 2007 and as setting the firewall to point to the ironport how can i do that do i create a policy or do i create a static route

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tenaj-207 earned 500 total points
ID: 22860493
To create the smart host in exchange;
1) Open Exchange system manager > expand the Organization Configuration > then click on Hub Transport.
2) Click on the Send Connector tab > right click on Internet and choose Properties
3) Click on the Network tab, and select the second option, Route email though the following smart hosts.
4) Click on the Add button and type in the IP address of the smart host

To configure the email to go though your IronPort;
I can't give you step-by-step directions since I don't know your firewall, but...
1) On your firewall find the rule that's forwarding email to the exchange server (it'll be using port 25).  There may be multiple locations you need to change.
2) Redirect that port 25 from the exchange server to the ironport appliance.
3) Make sure the ironport device is configured and set to forward email to the exchange server.
4) Test thoroughly

I would suggest doing this during the weekend to avoid unnecessary downtime.
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