Hello, I'm Mohammad.
I'm Python/Web Scraping/Automation Expert.
I’ve gone through your requirements, it perfectly matches my skills, and yes it's possible to check if the email is registered.
I am interested to work with you on this project.
I've been working on scraping e-commerce websites, social media posts from(Facebook, twitter etc..), Google searches..
I can do it using Python,
Ready to assist you and start working right away.