SureMail™ Exchange 2013 Help
Password - Control Panel - iPhone/iPad setup - Android setup - Outlook setup
If you need to remove an email account on your iPhone/iPad please follow the below steps.
To remove an old Exchange account:
This process is required for users upgrading from one Exchange version to another only.
* Note – Data (messages, contacts, etc.) that is synched with Exchange will be erased when you remove the old account but will return when you add your new account. Some data, not synched with Exchange, like notepad and phone signatures, etc. will have to be reproduced after your new account is created.