S/MIME is an IETF open standard (currently specified in RFC 8551, “Secure/Multipurpose Internet Mail Extensions (S/MIME) Version 4.0 Message Specification,” April 2019). It is based on S/MIME personal digital certificates created by a trusted Public Key Infrastructure (PKI). Each participant must obtain a unique S/MIME Certificate that identifies themselves. That cert must be trusted by all other parties that they will be communicating with. S/MIME allows adding a digital ...
16. Issue and Manage S/MIME Secure Email Certificates
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