So in my circumstance, “H-educate.com” is the domain title that I use to send out my emails. so only it’s needed to Use a domain name to work with any time you deliver emails out of your SMTP server. If Cloudflare is your authoritative DNS provider, Common SSL certificates https://email-marketing00998.blogacep.com/31682172/considerations-to-know-about-magento-2-install