Cannot register into forum site

[aomanchuria]

https://forums.luxcorerender.org/ucp.php?mode=register

When registering, I can't proceeded to submit the username/pass/email. accidentally noticed a captcha warning on the lower right hand corner talking about invisible captchas:
https://amasty.com/knowledge-base/how-to-get-a-site-key-for-invisible-recapcha.html

[ghost]

Same, almost: I register but never receive the confirmation email.

[neo2068]

What is your OS, browser? There are many users registered every day. Most are fake only to advertise things. So, in principle the registration process should work.

[ghost]

Linux, and Firefox.
I tried with two different mails, and while the registration process looks fine, I never receive the activation email (even in the spams)

[BenGreyjoy]

same!

i don´t get any confirmation mails!

[Silverlan]

Same, almost: I register but never receive the confirmation email.

Did you use a @gmail.com address by any change? gmail just doesn't seem to work with the forum. I had the same issue a long time ago and using a different provider was the only thing that worked.