The correct option is Spoof intelligence insights.

Spoof intelligence insights provides a dedicated view in Exchange Online Protection and the Microsoft 365 security center that lists messages identified as spoofed and lets security teams review senders and take actions for messages from both internal and external senders. It surfaces aggregated spoofing activity and allows filtering by time so you can inspect messages from the past ten days and perform remediation.

Anti phishing policies are policy settings that help detect and block impersonation and phishing attempts but they do not provide a focused report that lists messages flagged as spoofed for retrospective review across a specific timeframe.

Tenant Allow and Block List is used to allow or block senders and domains at the tenant level and it does not present an investigation interface for browsing messages identified as spoofed.

Threat Explorer is a threat investigation tool for analyzing attacks and campaigns and it is not the feature that provides the targeted spoofing review view named Spoof intelligence insights.

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