Every webpage displays the MyMail webmail 'sign in' fields in the upper-right corner.
To signin, follow these steps:
You will be connected to your Webmail service.
Additionally, a separate Login window made be found at https://www.mymail.com/login.php. Bookmark the Login page for easy reference. If you use MyMail's webmail interface on a daily basis, you may set your browser's default home page to the login webpage.