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25.On the User Sets page, accept the default entry, All Users, and click Next.
26.Click Finish on the Completing the New Mail Server Publishing Rule Wizard page.
27.Click Apply to save the changes and update the firewall policy.
28.Click OK in the Apply New Configuration dialog box.
The next step is to create a HOSTS file entry on the ISA Server 2004 firewall machine so that it resolves the name owa.msfirewall.org to the IP address of the Exchange Server on the Internal network.
4.Click Start and Run. In the Run dialog box, enter notepad in the Open text box and click OK.
5.Click the File menu and then click Open. In the Open dialog box, enter c:\windows\system32\drivers\etc\hosts in the File name text box and click Open.
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