First, follow this link to verify your current DPO Real-Hose-based-emailbox. Verify my current settings
SOLUTION:
From the BlazerID Central page, click the Change Information , and enter your blazerid and it's password then scroll down until you see "Real, host-based e-mail address:" and replace with the new email address. Scroll to the bottom and click 'Gray Change Button' then click end-session. Or, click here.