Go.brandeis edu/gmail
It looks like you're trying to access the Brandeis University Gmail login page!
The correct URL is actually go.brandeis.edu/gmail
-> mail.brandeis.edu
So, you can simply copy and paste mail.brandeis.edu
into your browser's address bar to access your Brandeis University Gmail account.
If you're having trouble accessing your account, you can try contacting the Brandeis University IT department for assistance.