Postfleet

Prompt-injection screening for agent inboxes

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Self-Reported Revenue

The creator of Postfleet has reported monthly revenues of $500.

This figure was last updated August 5, 2026, and has not been independently verified.

About

Postfleet is that missing boundary. It screens inbound email for prompt injection, strips hidden text, and hands the agent structured data instead of raw prose, so a stranger's email can't quietly become a command.