Show HN: E2a – Open-source email gateway for AI agents
Authenticated email gateway for AI agents — SPF/DKIM verified inbound, HMAC-signed delivery, webhook + WebSocket fan-out, CLI + SDKs - Mnexa-AI/e2a
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We were building an agent system and wanted email as a trigger. We decided to take it out and made it a standalone service.
The primary email features we wanted and used for our own agent system:
1. Email threading stays consistent with agent conversation threading
2. Human in the loop review for outbound emails (especially during testing phase)
3. Quick onboarding/offboarding email addresses for agents within minutes
4. Websocket for local agents and at-least-once webhook delivery for Cloud agents
Not yet: DMARC (only SPF/DKIM today), scoped API keys, HA/multi-region (single VM + single Postgres), app-layer email data encryption, compliance attestations (SOC 2/HIPAA).
GitHub: https://github.com/Mnexa-AI/e2a
Hosted: https://e2a.dev/
Appreciate any feedback / contributions.
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