Click on Start then Control Panel. Double click the Mail icon. Now select View or change existing e-mail accounts and click next .

3. You will need to change the Incoming and Outgoing mail servers to match the new settings. Incoming: pop.nconnect.net and Outgoing: smtp.nconnect.net. Also note that your Username field also needs to change to show your entire email address. Substitute your email address in this field, verify your screen matches this screenshot. Enter the password you created in the webmail setup earlier, into the password field.
Do not check the check box "Log on using Secure Password Authentication SPA".

4. Click on More Settings and then click on the Outgoing Server tab. Place a check in the My Outgoing server (SMTP) requires authentication check box. Verify it matches the screen shot below and then click OK.

5.
Now click on the Test Account Settings button.
You should get a testing screen and you should also get a green
check mark in each of the five items. If you get a red X in any
of the five items, you need to go back and double check
your settings and then run the test again.
You must get all green checks for it to work properly.
When done click Next and then Finish.