Postfleet

Email infrastructure for AI agents: parsed, classified, injection-screened JSON instead of raw mail.

Free tier; paid from $7/moFreemium

Postfleet website

About

Postfleet treats the inbox as a trust boundary for AI agents. Inbound mail is verified and deduped, SPF/DKIM/DMARC authenticated, cleaned to text, sanitized of hidden content, gated on virus and spam verdicts, scanned for prompt injection, and extracted to your schema with a confidence score. Your agent gets JSON, never the raw email. Free tier, no card required; agents can sign up over MCP.

Features

Prompt-injection screening on inbound mail
Schema extraction with confidence scores
SPF/DKIM/DMARC auth and HTML sanitizing

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