Open Mac Mail Application and click on the "Mail" menu and select "Preferences..." from the list.
Select "Accounts".
Enter your first and last name in the "Full Name:" field.
Continue...
Incoming Mail Server
Select "Account Type:" choose POP.
"Incoming Mail Server", enter: pop.iexposure.com
and your username and password, if not already there. Continue...
Outgoing Mail Server
Enter: "smtp.iexposure.com".
Do not select User Authentication
Continue...
New Account Summary
Review the information, click the"Create" button and you're done.