* [e2a v1.5.0](https://github.com/tokencanopy/e2a) – Authenticated email gateway for AI agents that verifies SPF, DKIM, and DMARC, then delivers evidence via webhook, WebSocket, REST, or MCP with optional human approval.

* [Email SDK @opencoredev/convex-...](https://github.com/opencoredev/email-sdk) – Lightweight TypeScript SDK for transactional email pipelines with adapter routing, retries, fallbacks, and observability.