Hi there, @userweb
Sorry you are having trouble getting your forms to work.
This Support Guide is the first port of call to debug any forms issues. There are also many other Support Guides for forms - you can find them here: #Netlify-support:support-guides
We also recommend trying to search the forums or look at topics tagged Netlify forms if you haven’t already - it’s likely your question was already asked by someone else! I did a quick search and saw some threads related to recaptcha as well 
If you are still having problems, please provide the forms information we ask for in the Support Guide I linked! Thank you.