After clicking the “join now” button, I can enter a name and password, and then I get this:
I don’t normally allow third party cookies, but I tried anyway to allow third party cookies. I still get the same message, so the actual problem doesn’t seem to be related to third party cookies.
When I click the “join now” button in the email, I am forwarded to my site, and after a few seconds, I get this banner at the bottom of the browser window:
After filling in my name and a password and clicking Join now (in the banner), I get the “You’ve been Logged Out” popup with the error about third party cookies.
Under “Privacy and security,” click Cookies and other site data.
Select an option: “ Allow all cookies ”
To enable third party cookies in Safari please follow these steps: Open Safari and in the top left corner of your screen click on Safari and select Preferences. In the preference window select the Privacy option and under Block cookies select Never. Your browser should now accept all third party cookies .