How to Securely configure an Iphone to sync with Exchange server using SSL Certificate

Dear PDA phone gurus.  I've configured a number of different smartphones to synch with our exchange server using SSL (Treo's, Samsung..etc. Window's Mobile devices). I always had to copy the SSL Certificate from the Exchange server onto a memory card and install it on the cell phone. However, now I am configuring iPhones and they "appear" to allow me to configure activesync for Exchange using SSL but the it never requests the certificate or requires me to install the certificate onto the iPhone. How is that possible? What I am leaving unencrypted without using the SSL certificate file on the phone?  How can I install the SSL cert onto the iPhone since there is no memory card slot?  I tried browsing to the SSL cert sitting on the server and installing it through Safari browser but it does not let me.
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JohnArmstrongAsked:
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Britt ThompsonSr. Systems EngineerCommented:
There's a utility available on Apple's site. Here's the article I've used in the past.

http://www.techsack.com/2008/08/19/getting-your-iphone-to-work-with-exchange-active-sync-ssl-certificate/
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JohnArmstrongAuthor Commented:
I'll give this a try when I am back at the office in the a.m. and let you know how it goes. Thanks for the quick reply!
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JohnGerhardtCommented:
I presume you are talking about a server certificate.
It sounds like you are using a certificate that has a trusted root that is installed on the iPhone, this is why it doesn't prompt you to accept your certificate. This doesnt mean that the connection is not secure.
All a server certificate does is identify to the phone that the server that they are connecting to is actually the one that it says it is. The iPhone then sets up an encrypted session between exchange and the iPhone..
 
 
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