10. Create the OWA Web Publishing Rule
Now that all the certificates are in place, you can create the Web Publishing Rule on the ISA firewall. In the ISA Server Management console, click the Firewall Policy node. Go to the Tasks tab and click Publish a Mail Server. Name the rule on the Welcome to the New Mail Server Wizard page.
On the Select Access Type page, select the Web client access: Outlook Web Access (OWA), Outlook Mobile Access, Exchange Server ActiveSync option. On the Select Services page, select the Outlook Web Access option; leave the Enable high bit characters used by non-English character sets option selected if you want users to be able to read email messages that use non-English characters.
On the Bridging Mode page, select the Secure connection to clients and mail server option. This option forces the remote Web browser to establish a Secure Sockets Layer (SSL) connection to the external interface of the ISA firewall and forces the ISA firewall's internal interface to establish a secure SSL link to the OWA site. . . .
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