Below are the steps to configure an iPhone/iPad to send/receive email with our servers.

1. Goto Settings
2. Select Mail, Contacts, Calendars
3. Select Add Account...
4. Select Other
5. Select Add Mail Account
6. Enter your Name as you wish to use for this email account
   Enter your full email Address
   Type in your Password
   Enter a Description of this email acount
   Hit Next when finished
7. Select the POP button
   Under Incoming Mail Server, enter in mail.yourdomain.com as the Host Name
   Enter your full email address as the User Name
   Under Outgoing Mail Server, enter in mail.yourdomain.com as the Host Name
   Enter your full email address as the User Name
   Type in your Password
   Hit Save when finished
8. You may or may not receive an error message.  If so click Continue.
   There is one more setting that you must adjust to make your email connection function.
9. Return to the Mail, Contacts, Calendars screen
   Select your email account under the Accounts list
10. Scroll down to Outgoing Mail Server and click on the SMTP item
11. Select the Primary Server which should read mail.yourdomain.com
12. Under Server Port change the value to 2525 if not already.
    
    

Your email is now setup on your iPhone/iPad.