Newsletter Contact Form in Wordpress?

Question

Email Marketing

Hey! please tell me how to implement this. example: you go to the site (where all the developers of Moscow) and see a list of companies with phone numbers and email, and so that each company does not write personally for convenience, there is a "form to send a request to everyone" you enter (name, mail, phone, and some offer) and send the request to all companies at once. I understand that there may be spam ... Therefore, I would like to put pre-moderation or payment ... What are the possible solutions? Thank you!

Answer 1

https://developers.google.com/recaptcha/intro