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Cloud Email and Collaboration Protection supports using OAuth 2.0 to access Exchange Online with a service account (Authorized Account). With the OAuth 2.0 framework, Cloud Email and Collaboration Protection obtains an access token to get limited access on the Global Administrator's behalf to run advanced threat protection and data loss prevention scanning on email messages in protected mailboxes.
Cloud Email and Collaboration Protection supports two protection modes for Exchange Online. For details, see Protection Modes for Email Services. Each mode requires separate access grant.
Protection Mode
Access Grant
API-based Protection
See Granting Access to Exchange Online with an Authorized Account.
Inline Protection
See Granting Access to Exchange Online (Inline Mode) with an Authorized Account.
You can choose to have both or either of the protection types for your Exchange Online service based on your requirements.
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