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Only the newsletters worth opening. Your inbox wasn't built for the newsletters you actually want. Deal alerts you signed up for get buried next to promotions you never asked for. Unsubscribing feels like giving up on brands you genuinely like. Siftbox fixes this with a simple idea: give every newsletter you sign up for a dedicated address instead of your real one. We check what arrives at that address against the topics and brands you've told us you care about, then forward only the matches to your real inbox. The result is precision, not another unsubscribe tool. You're not filtering out brands, you're organizing the ones you already follow so the emails that reach you are the ones worth your time. Why it's different: Every major email tool, from Gmail filters to AI-powered inbox assistants, works by scanning your real inbox. Siftbox never touches it. Your real inbox address stays private to you, and brands only ever see your dedicated Siftbox address. That's not a feature we bolted on; it's the whole architecture. We also run the Brand Observatory: public, measured data on how often brands actually email and when they really run sales. We publish what brands do; we never publish what you do. Built in Toronto. Live and free at siftbox.ca.

Website https://www.siftbox.ca
Employees 1 (1 on RocketReach)
Founded 2026
Industry Technology, Information and Internet

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Andrew Ko is the Founder of Siftbox.

1 people are employed at Siftbox.

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