Eosc.edu webmail
It looks like you're trying to access the webmail service provided by Eastern Oklahoma State College (EOSC). The webmail URL for EOSC is:
You can use this URL to log in to your EOSC email account and access your email, calendar, and other features. If you're having trouble accessing your email or need help with your account, you can contact the EOSC IT department for assistance.