Microsoft Technology Licensing, LLC

Una Sai Prasad Patro

Gregory Gourevitch

Ravi Kiran Reddy Poluri

Krishnan Rangarajan

Atapattuge D Samith Gunasekara

Bruce Taimana

Embodiments maintain filtering criteria for classifying electronic messages in a multi-tenant environment, including maintaining global filtering criteria for all tenants, as well as tenant-level filtering criteria for each tenant. For each tenant, feedback regarding a messaging campaign is identified. When the messaging campaign has not been categorized, and the feedback signals the messaging campaign as undesirable, the tenant-level filtering criteria for the tenant is updated to signal the messaging campaign as undesirable. When the messaging campaign has previously been categorized as undesirable, and the feedback signals the messaging campaign as desirable, the tenant-level filtering criteria for the tenant is updated to signal the messaging campaign as desirable. A reputation score for each tenant is also calculated. The global filtering criteria is updated to signal desirability of the messaging campaign when a threshold number of tenants, each having a threshold reputation score, reach a consensus regarding desirability of the messaging campaign.

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Redmond, WA, United States of America

Una Sai Prasad Patro