Operating System: OS X
Application: Apple Mail
Open Apple.
Click Mail and select Preferences
Open the Account tab, and click the plus sign (+) along the bottom to add a new account.
From General Information, choose POP or IMAP from Account Type:, enter the Account Description, Full Name and Email Address.
Enter mail.yourdomain.com in the Incoming Mail Server field. (our hosting use same address for POP3, IMAP and SMTP server)
Enter your email username (including @yourdomain.com) in the User Name: field.
Enter your email password in the Password: field.
Enter mail.yourdomain.com in the Outgoing Mail Server field.
Check the Use Authentication check box.
Enter your email password in the Password: field. P>
Finally, click Done to finish.