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mediumExchangeupdatelink_discovery · Jul 16, 2026
[Docs] Microsoft 365 encryption chains and certificate downloads
Documentation updated to explain how Exchange Online uses TLS encryption for email connections and provides guidance on certificate downloads. This update helps administrators understand the encryption mechanisms and properly configure secure email communications.
“Linked from "How Exchange Online uses TLS to secure email connections": Microsoft 365 encryption chains and certificate downloads”
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network_securitycloud_security
Audience
adminsecurity_engineer
Environment
cloudhybrid
Ontology Topics
AZ-500
Classification confidence: 90%
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