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Setting up Iphone 2.0 with Exchange server

Henry Elp
Henry Elp asked
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Last Modified: 2009-02-18
Hello,

I am trying to setup an Iphone with our Exchange server.  I have been using the Iphone Enterprise Deployment guide, but I am still running into problems.  

Background info:  we do NOT use OWA or have IMAP enabled on our Exchange server.  So we were going to use Exchange Active Sync.  We didn't have an ISA server or a front end Exchange server so I setup an ISA server and put it in our DMZ.  We added an access list on our router and firewall to allow https traffic to the ISA server in the dmz, then another access list to allow https traffic from the ISA server to our Exchange server.  Right now however, we are having problems getting the Iphone to establish a connection to our ISA server.    

Our mx record for our email points to a hosted spam/virus filtering company, which then forwards email directly to our Exchange server.  When configuring the Iphone, I cannot put the mx record in for the "server" as that would bypass our ISA server.  So I was trying to put in the public IP address of our ISA server, but we do not see any traffic on that IP.  I even tried to put in a public IP that is not in use much and we did not see any logs on our router or firewall blocking access.  Does this mean I cannot enter an IP address into the "server" field?  Also, I have been trying on a non-3g Iphone but it has been upgraded to 2.1 firmware.  The ATT techs tell me I do not need any special plan, is this also true?  

Any help would be greatly appreciated!
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