Enabling iPhone Access to Your Exchange Mailbox

With the release of the iPhone 3g and version 2.0SSL) on the firewall and configure the firewall to
software, the iPhone has the capability to accessforward any traffic from the Internet on port
your mail, contacts and calendar stored on your443 to the Exchange environment.
organization's Exchange server. This article outlinesConfiguring your iPhone
the steps required to get access to your mailboxOn your iPhone, select Microsoft Exchange from
from your iPhone.the list of mail services. The next screen on the
ChecklistiPhone will ask for your mail address and a
Exchange Server version is 2003 with serviceusername and password. This username and
pack 2 or Exchange 2007password is the same as you use to logon to
A valid digital certificate is installed on theyour office PC. The iPhone will attempt to
Exchange environmentiPhone is running version 2.0auto-discover your server and will most likely fail
or later firmwareand prompt you for your server name. For the
Preparing the Exchange Server Environmentserver name, enter the Internet name of your
The ActiveSync protocol used forfirewall (e.g. firewall.example.com) not the name of
communications between the iPhone and theyour Exchange server. The next screen allows
Exchange server must be enabled and configuredyou to select what to synchronize (mail, calendar
on your server. A digital certificate is required on& contacts) and how many days mail to hold
the server to secure the communications withon the iPhone. When you have completed this
the iPhone. If an ISA server is in use it must besetup, tap the sync button to start retrieving
configured to permit ActiveSync traffic to theyour mailbox.
Exchange environment. The quickest way toIf you run into problems
verify that your server is configured correctly isA wide variety of technical issues may prevent
to use an ActiveSync test tool which will identifythe iPhone from connecting successfully. To avoid
any configuration issues.the technical complexities you should consider
Configuring your Firewallusing a hosted service for iPhone integration. Using
Your Exchange server and network is protecteda hosted service removes the issues with
from the Internet by a firewall which must becertificates and opening a firewall and makes it
setup to allow the iPhone to connect over themuch easier for non-technical people to integrate
Internet to Exchange . To do this you musttheir iPhone with Exchange.
permit Internet on port 443 (the port used for