login

I downloaded a trial version of WinSCP today. I have not been able to log on. My professor told me to use sun.cc.westga.edu as the host and my email user name and password. I put all of that in, and this is what the box said:
I checked my email account to make sure I was using the right password, and I was. What am I doing wrong? I have to post an assignment using this software by Wednesday at midnight.
You can reach me at tjohnson_5@yahoo.com
Thank you

You need to contact your professor to verify the username/password you have.