The CloudFlare Origin CA is at present not trusted by browsers, so these certificates shouldn't be used on web sites that aren't driving CloudFlare. To situation certificates that happen to be trustworthy by browsers, we would need to influence a publicly trusted certificate authority to cross-indicator our CA certificate. https://azure-support02221.prublogger.com/26420557/5-tips-about-anti-spam-filter-you-can-use-today