I am not a robot
Just started coming past week or two. I click on article in email notification, new browser tab launches, page title "Access to this page has been denied." Once I get past "I am not a robot" challenge, it doesn't happen again even if I close the browser. It returns after Nightly updates, which it does, well, nightly. No adblocker. Cookies and javascript are enabled. I use Firefox Nightly x64, current version is 73.oa1.
The problem continues. 2 blocks within the last hour 5/19/20, Contributors should be livid. As a consumer, I am simply developing other avenues to pursue my interests.