Hosted Exchange 2010 is a legacy service. We still support existing customers, but we no longer sell it. We're moving customers to Zimbra Mail or Microsoft 365, and we'll contact you before your mailbox moves. Manage legacy services in the legacy portal at my.ozhosting.com.
In order to setup your Exchange mailbox on your iPhone you need the following details entered
Exchanger Server Name: outlook.ozhosting.com
Username: Your Email Address
Password: Your Email password