I got this email from Google:
My page runs on Joomla! 2.5.9 and currently supports only reCAPTCHA V1. Keys I generated for V2 won't work.You are receiving this email because you are registered as a website administrator using reCAPTCHA, and your website is still using reCAPTCHA v1, which will be turned off on March 31, 2018.....
I use reCAPTCHA only on one contact form.
Is there a solution to implement reCAPTCHA V2 to Joomla! 2.5.9.?
For all the answers I thank you in advance.