Outlook on the web: MIP sensitivity label support S/MIME
Outlook on the web will support S/MIME (Secure/Multipurpose Internet Mail Extensions) sign and encryption as sensitivity label outcome. Customer admins could use set-label advanced setting to define the label to have S/MIME sign or encryption or both, and emails with those labels applied will enforce S/MIME sign and encrypt accordingly, and also it will support content marking of the label.
This message is associated with Microsoft 365 Roadmap ID 109582


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