Conbool is a multi-tenant email security platform that turns standard business email into a secure, compliant and brand-safe communication channel. It combines automatic S/MIME and PGP encryption including certificate management, a secure message portal, AI-powered spam and threat protection and centralized email signatures and disclaimers in a single gateway. Conbool is hosted in the EU or on-premises and integrates seamlessly with Microsoft 365 and existing mail servers.