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mediumExchangeS/MIMEnew featurelink_discovery · Jul 16, 2026

[Docs] S/MIME for message signing and encryption in Exchange Online

Exchange Online now supports S/MIME for message signing and encryption, enhancing email security and compliance capabilities. This feature enables organizations to secure email communications and meet regulatory requirements for encrypted messaging.

Linked from "Configure S/MIME in Exchange Online": S/MIME for message signing and encryption in Exchange Online
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Compliance
HIPAAPCISOC
Identity
authenticationauthorization
Security
threat_protectionendpoint_securitycloud_security
Audience
adminsecurity_engineercompliance_officer
Environment
cloudhybrid
Ontology Topics
AZ-500SC-300
Classification confidence: 95%
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[Docs] S/MIME for message signing and encryption in Exchange Online | 365Forge