iPhone IMAP Configure for Exchange 2007

On the iPhone, select Settings.
Select Mail
Select Add an account, Other
Select Exchange
Enter the User name
In the Address box, enter the email address.

Incoming Mail Server
Host Name: mail.myhostedsolution.com
Username: your email address
Password: your email password

Outgoing Mail Server
Host Name: mail.myhostedsolution.com:587
Username: your email address
Password: your email password

Exit the Settings on the Iphone