[Docs] Enable or disable authenticated client SMTP submission (SMTP AUTH) in Exchange Online

Exchange Online now allows administrators to enable or disable authenticated client SMTP submission (SMTP AUTH) for legacy TLS clients. This update provides better control over email security and compliance with modern authentication standards.

“Linked from "Opt in to the Exchange Online endpoint for legacy TLS clients using SMTP AUTH": Enable or disable authenticated client SMTP submission (SMTP AUTH) in Exchange Online”

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Security

cloud_security

Audience

adminsecurity_engineer

Environment

cloud

Ontology Topics

AZ-104SC-300

Classification confidence: 95%

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