Step 4: Creating an SMTP publishing rule

Step-by-Step Guide: How to use ISA Server as an SMTP filter, step 4: Creating an SMTP publishing rule.

Now that ISA Server is up and running, we have to create a couple of publishing rules. The first publishing rule that we have to create is the SMTP publishing rule.

  1. Open the ISA Server management console.

  2. Right click on the Firewall Policy container and select New -> Server Publishing Rule. Windows will launch the Server Publishing Rule Wizard.

  3. Begin by entering a name for the rule. In this case, just call the rule 'SMTP.'

  4. Click Next. You will be prompted to enter the IP address of the server that you are publishing. Enter the IP address you assigned to the SMTP service in Step 2.

  5. Click Next. You will now be prompted to select a protocol. Select SMTP Server from the list of protocols and click Next.

  6. You will see the IP Addresses screen. Select the 'External' checkbox and click Next, followed by Finish. You will be returned to the main ISA Server console.

  7. Select the new rule and click Apply, followed by OK.

Step-by-Step Guide: How to use ISA Server as an SMTP filter

 Home: Introduction
 Step 1: Installing the SMTP service
 Step 2: Configuring Internet Information Server
 Step 3: Installing ISA Server 2004
 Step 4: Creating an SMTP publishing rule
 Step 5: Creating a DNS publishing rule
 Step 6: Configuring the message screener
 Step 7: Changing your DNS server's MX record

Brien M. Posey, MCSE
Brien is a Microsoft Most Valuable Professional for his work with Windows 2000 Server and IIS. He has served as CIO for a nationwide chain of hospitals and was once in charge of IT security for Fort Knox. As a freelance technical writer, he has written for Microsoft, TechTarget, CNET, ZDNet, MSD2D, Relevant Technologies and other technology companies.

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