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KeepKnown

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KeepKnown is an allow-list email filter for Gmail, Outlook, and Microsoft 365. It automatically filters unknown senders out of your inbox without deleting them, ensuring you only see emails from people you know and trust. Google Verified with CASA Tier 2 security certification. The strict inbox filter that keeps your focus on what matters.

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When users leave KeepKnown reviews, G2 also collects common questions about the day-to-day use of KeepKnown. These questions are then answered by our community of 850k professionals. Submit your question below and join in on the G2 Discussion.

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