MXHookInbound Email Webhooks

Open-source SMTP server that receives email and delivers structured JSON to your application.

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Receive Email via SMTP

Point your MX records at MXHook and receive email on any domain you own. Full RFC 5321 compliance.

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Route emails by exact address, wildcard patterns, or plus-addressing. Enterprise regex and header matching available.

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Parsed emails delivered as structured JSON to your endpoints with exponential backoff retries and HMAC signing.

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Attachments are parsed and included in webhook payloads with metadata. Raw .eml files stored for compliance.

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Failed deliveries retry automatically. Dead letter queue captures failures. Replay any message on demand.

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Run on your infrastructure. Docker, binary, or Kubernetes. Your data never leaves your network.