email verification

Hello guys, I'm looking for an email verification service provider that support cryptocurrency payment with invoice... This is really important because we know some company include cryptocurrency into their treasuries and deliver real invoice with crypto payment. If anyone know a platform...

Hello everyone, Im new to building a website and I just wanted to know how could I make it to where it is mandatory to enter in your email in order to gain access to my website ? So sort of like a video landing page, but the user is directed to confirm their email in order to view the content...