AgenticMail

AgenticMail is open-source software that gives AI agents their own email inboxes, plus SMS and phone calls through carriers you connect, with an MCP server and REST API.

Overview

AgenticMail is MIT-licensed, self-hosted software (github.com/agenticmail/agenticmail) that gives each AI agent its own email address, inbox and API key, and optionally a phone number for SMS and calls. It runs a local Stalwart mail server in Docker and sends through a Gmail or Outlook relay or your own domain. Phone features use accounts you bring: SMS through 46elks or Google Voice, and calls through 46elks or Twilio. A separate Enterprise package adds a multi-tenant dashboard, Telegram, WhatsApp and Google Chat channels, and governance tools. The latest npm release of the CLI is 0.9.109, from June 18, 2026; since then the main branch has had only dependency updates.

Key features

  • Per-agent email addresses, inboxes and scoped API keys
  • SMS send and receive with automatic verification-code extraction
  • Outbound phone calls, with an optional realtime voice agent on OpenAI Realtime
  • Telegram channel for messaging agents
  • MCP server with about 100 tools, an OpenClaw plugin, and Claude Code and Codex integrations
  • REST API with 75+ endpoints and a server-sent events stream
  • Outbound guard that holds mail containing secrets or PII for owner approval
  • Agent-to-agent email, tasks and RPC calls, with persistent per-agent memory

Pricing

The software is free. You pay for your own hosting and for carrier usage at 46elks, Twilio or Google Voice. The Enterprise package can also be deployed on a free agenticmail.io subdomain.

How it compares to Linq

Linq is a hosted API for iMessage, RCS and SMS on numbers it manages, with Pro from $260 a month and a free Hobby tier. AgenticMail has no iMessage or RCS, runs on your own machine, and relies on outside carriers for SMS and calls. Linq's docs say its API does not place calls, while AgenticMail can place them. Both publish an MCP server.

Best for

Developers who want self-hosted email plus basic SMS and calling for their agents and do not need iMessage.

Sources

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