Anytime you see the GO WUSTL logo on a University website, you can click on it to access your email account. You will see the logo after logging into WebSTAC with your WUSTL KEY or on the welcome page to this site.
Through Outlook.com
Alternatively, you can access your GO WUSTL account using the Outlook web interface at www.outlook.com. Make sure to enter your GO WUSTL address (e.g., john.doe@go.wustl.edu) and your WUSTL KEY password.
If you are on a public computer, make sure that "remember me" is not checked to ensure that your account remains secure.