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Description

Detects messages impersonating Marriott hotels through display name or subject line matching, excluding legitimate senders with proper DMARC authentication and event-related communications.

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@markmsublime markmsublime requested a review from a team as a code owner January 22, 2026 16:05
@github-actions github-actions bot added the in-test-rules PR is in our testing suite to collect telemetry label Jan 22, 2026
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in-test-rules PR is in our testing suite to collect telemetry

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