Secure/Multipurpose Internet Mail Extensions (S/MIME) protocol ensures message integrity so that senders and recipients of email can verify that the content they are sharing is legitimate and trusted. Sectigo secure Email certificates are supported by all the major mail applications including Microsoft Outlook, Exchange, popular mobile operating systems, and more
Email encryption is now a requirement to stay compliant with many regulations including US Federal (DFARS, NIST & ITAR), GDPR, and HIPAA