Sift

Filters your inbox so trusted contacts message free, everyone else pays

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Sift is a communication filtering tool that lets users control who reaches them directly and who pays for access: create a Sift handle and designate trusted contacts who get free messaging, while everyone else must pay to send emails or messages, reducing unwanted contact and spam.

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Full match profile

Behind the summary, Matchbox keeps a richer profile of Sift - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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