Thank you for the information, Matthias. First time I hear about the practice of CAPTCHAs by Cloudafe - sounds quite tedious for any real user. I will do my research on LetsEncrypt and add a section about it on this post (with the corresponding credit). Thank you again.
We're a place where coders share, stay up-to-date and grow their careers.
We strive for transparency and don't collect excess data.