1. From the Start menu, click the E-mail Windows Mail icon.

2. Click Tools, then select Accounts. 

3. In the Internet Accounts window, click Add.

4. Select E-mail Account, then click Next.

  5. Enter Display name, then click Next.
Your Name: (whatever name you wish to appear in emails sent by you)

6. Enter E-mail address, then click Next.
( username@power1.com (or username@yourdomain.com if it's for another domain))

7. Select POP3 from the drop down menu. Enter the Incoming and Outgoing mail server locations. Your incoming mail server is a POP3 and its name is mail.power1.com
Your outgoing mail server is mail.power1.com (or possibly something else, if PowerOne is not your ISP).

8. Enter E-mail username. Enter Password. Select or deselect the Remember password box, depending on preferences. Click Next.
( Username: username@power1.com (or username@yourdomain.com if it's for another domain)
Password: the password your chose)

9. Click Do not download my e-mail at this time if you don't want your email downloaded immediately, then click Finish.