"Verified double opt-in" is a term of art in the world of email. It means you provide your address to consent to emails and you confirm the address with a link

"Verified double opt-in" is a term of art in the world of email. It means you provide your address to consent to emails and you confirm the address with a link sent via email. https://mailchimp.com/help/about-double-opt-in/ https://mailchimp.com/help/about-double-opt-in/