So in my situation, “H-teach.com” is the domain name which i use to send my emails. so basically it’s required to Have a very domain name to make use of if you send emails from a SMTP server. The staff at CloudFlare is excited to announce the discharge of https://awslinuxsupport01009.blogdun.com/27093570/5-simple-statements-about-anti-spam-filter-explained