The web site above is where you do this. When you graduate from Georgetown, you will be able to keep this address to forward email to wherever life takes you. If you do not have an email account, contact the Student HelpDesk. This is a mail forwarding address. After you set it up, anything sent to it will automatically be forwarded to whatever address you wish.
Bad news is that it is just a forwarding address.
You will still have to have a real e-mail account with someone. The Career Network is a listing of alumni who have volunteered to share career advice and information. After you graduate, you will use your NetID to access all areas of hoyasonline. One of the new services that you can get to is information on all GU alumni. This is one way to get into Main Campus On-line class info.