email-api 开源项目推荐（526 个）

Notifuse /notifuse

开源、可自托管的新闻通讯、邮件营销和事务性邮件平台。可视化 MJML 编辑器、Liquid 模板，支持 7 种发送服务商。

Anil-matcha /open-agent-email

Open-source email infrastructure for AI agents: secure inboxes, REST and MCP APIs, SMTP, human approval workflows, signed webhooks, and Python and TypeScript SDKs. Self-host with Docker and PostgreSQL.

sharsil /mailcat

使用 API/SMTP 检查方法通过昵称查找现有电子邮件地址，无需通知用户。请随时改进 cat 的工作！

opencoredev /email-sdk

One simple SDK for transactional email across 23 adapters

MillionSend /millionsend

The open-source email platform — self-host on your own AWS SES, or use the cloud. Resend-compatible API.

0xdps /emailflare

Self-hosted email sending platform built on Cloudflare Email Sending — REST API, admin UI, templates, domain management, scoped API keys, all in one Docker container.

tokencanopy /e2a

Open-source email API for applications and AI agents. Managed hosting at e2a.dev, or self-host with Docker.

reloop-labs /reloop

Open-source transactional email API and self-hostable Resend alternative. SMTP, inbound mail, webhooks, and campaigns for developers.

emailjs-com /emailjs-sdk

EmailJS helps sending emails using client side technologies only. No server is required.

vwh /temp-mail

Cloudflare Worker that acts as a temporary email inbox

inkbox-ai /inkbox

SDK, skills, and examples for Inkbox: give AI agents a persistent identity with email, phone number, and internet address

SelimHorri /project-tracking-system-backend-app

Enterprise project tracker, tracks commits done by employees after getting assigned to a couple of projects by their managers

mailtrap /mailtrap-mcp

Official Mailtrap MCP server — over 125 tools to send email from Claude, Cursor, VS Code & other AI assistants. Send transactional and bulk email, test in Email Sandbox, manage templates, contacts, domains and webhooks, and inspect delivery logs and stats.

panda-sandeep /dearagent

Email inbox API for AI agents, self-hosted on Cloudflare Workers. Open source, with an MCP server. AgentMail alternative.

agentmail-to /agentmail-examples

Example AI agents using AgentMail — hiring screener, legal intake, receipt parser, contract redline, and more.

pexni /smails

Agent-native disposable email — Cloudflare Workers + Durable Objects, with CLI & MCP. https://smails.dev

mohamedboukari /bunmail

Self-hosted email API for developers free alternative to SendGrid/Resend

helloxz /zsend

A Cloudflare Workers email gateway with multi-SMTP support and a unified HTTP sending API.

damientilman /mailchimp-mcp-server

The most complete Mailchimp Marketing API MCP server: 227 tools across campaigns, audiences, reports, segments, automations and full e-commerce, with multi-account support and runtime-security guardrails (read-only, dry-run, audit, per-tool risk metadata).

mokshablr /Freesend

An open-source alternative to Resend using your own infrastructure!