You have OWA available on the outside with HTTPS I take it? And have also enable Mobile properties on the exchange users mailbox? , you might get a CERT error on connection that has to be accepted
From: Murray Freeman [mailto:mfree...@alanet.org] Sent: Tuesday, December 29, 2009 2:34 PM To: MS-Exchange Admin Issues Subject: SUING IPHONE TO CONNECT TO EXCHANGE SERVER 2003 We have a user that has an iPhone and wants to use it to access email from our Exchange Server 2003. We've done some "research" and followed the instructions, but still have trouble. Any ideas, or instructions would be appreciated. The iPhone is a 3G s. Murray _________________________________________________________ This e-mail, including attachments, contains information that is confidential and may be protected by attorney/client or other privileges. This e-mail, including attachments, constitutes non-public information intended to be conveyed only to the designated recipient(s). If you are not an intended recipient, you are hereby notified that any unauthorized use, dissemination, distribution or reproduction of this e-mail, including attachments, is strictly prohibited and may be unlawful. If you have received this e-mail in error, please notify me by e-mail reply and delete the original message and any attachments from your system. _________________________________________________________