Show HN: E2a – Open-source email gateway for AI agents
Not a model. Not infrastructure. E2a is the plumbing: open-source email gateway purpose-built for AI agents to trigger workflows and handle human-in-the-loop review.
Why it matters
As AI agents move from chatbots to autonomous workflow systems, the infrastructure layer for agent I/O (email, Slack, APIs) is becoming a competitive moat. E2a addresses a specific friction point: email threading consistency and synchronous human review for agent-triggered outbound messages. Early-stage but signals growing demand for agent-native communication primitives.
The key facts
12 to knowOpen-source email gateway (GitHub: Mnexa-AI/e2a)
Core features: email threading sync with agent conversation threads, human-in-the-loop outbound review, fast email address onboarding/offboarding, WebSocket + webhook delivery
Published on Hacker News (Show HN format, minimal traction: 3 points, 0 comments at time of listing)
Hosted service available at e2a.dev
Feature roadmap: DMARC support, scoped API keys, HA/multi-region, encryption, SOC 2/HIPAA compliance pending
Use case: triggered by internal agent system need (dogfooded, open-sourced)
Open-source email gateway purpose-built for AI agents
Features: email threading consistency, human-in-the-loop review, rapid onboarding/offboarding, WebSocket + webhook delivery
Current limitations: no DMARC, no scoped API keys, single-region architecture, no encryption/compliance attestations
GitHub:
Hosted version available at e2a.dev
Published on HackerNews (Show HN) - early-stage/community-driven
Go to the source
Hacker Newsgithub.com
Publisher excerpt: 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…