Can't log into Comcast emial

Every time I try to log into my comcast email account, I get referred to a support page that says:

"Access your Xfinity Email account

The quickest way to access your Xfinity Email is by visiting connect.xfinity.com on your computer, tablet, or smartphone. Bookmark this page for easy access in the future.

To find your email on xfinity.com, click the Account icon  in the top-right of the home screen and then click Check Email."

I have tried both links and get looped back to this page.  How can I access my account, using either Outlook or Thunderbird?