Email verification allows to improve email delivery and deliverable email addresses necessarily mean your Business can connect a lot more proficiently with its clients and... I usually do not Believe This really is a difficulty with markup Except if there is one thing instrinsically Incorrect with JSON+LD formatted rich snippets https://www.presta-addons-modules.com/en/seo/prestashop-social-login-sign-in-using-social-networks.html