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Show HN: E2a – Open-source Email gateway for AI agents

E2a is an open-source email gateway for AI agents, providing authenticated transport, webhook/WebSocket delivery, outbound API, and human-in-the-loop approval.

SourceHacker News AIAuthor: mnexa
Show HN: E2a – Open-source Email gateway for AI agents
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Under the source content permission, this page provides an editorial summary, key points, and a link to the original article.

Key points and analysis

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Key points

  • Authenticated transport with SPF/DKIM verification and HMAC-signed headers.
  • Two delivery modes: webhook for cloud agents, WebSocket for local agents (no public URL needed).
  • Outbound API with optional human approval gate (HITL) via dashboard, magic-link email, or CLI.
  • Includes CLI and Python/TypeScript SDKs for easy integration.

Highlights and analysis are generated automatically and may contain errors. Check the original source.

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