option1: There is a link in your footer called webmail which will allow you to access webmail.
option2: In your browser enter your webaddress followed by webmail e.g mycompanyname.com.au/webmail.
A webmail document is sent by Wellsites providing details of your login, password and how to access webmail. The document also provides information on how to configure your local email to create a second email id. If you do not have this document, please inform Wellsites.