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Mail0

AI native email client.

Backed by

Logo of 1984 Ventures
Logo of Y Combinator

Raised $2M Seed on Jul 18, 2025

Zero is an AI-powered email client that manages your inbox, so you don't have to. It helps busy professionals unclutter their inboxes, prioritize important messages, summarize conversations, complete tasks, and even chat with their inbox — letting them spend less time managing email and more time getting things done.