STEP 1

Click on Tools then select Accounts...
STEP 2

Select your account and then click on Properties
STEP 3

Click on the Servers tab
STEP 4

Click in the E-mail username box and add @valkyrie.net if it is not there already
STEP 4 (cont'd.)

Click in the E-mail username box and add @valkyrie.net if it is not there already
STEP 5

Click OK at the bottom, and repeat steps 1 through 4 for any other accounts you may have on this computer
STEP 6

Click CLOSE at the bottom of the Internet Accounts window
You're Finished!