Step 1: From your iPhone, go into your settings --> mail, contacts, caldenders and then tap "Add Account"
Step 2: Select "Other" --> "Add Mail Account" and use these credentials:
Description: Your Business
Incoming Mail Server Host Name: imap.secureserver.net
Outgoing Mail Server Host Name: smtpout.secureserver.net
**It will take about 5min to fully add the account**