AgentMail

Email infrastructure built specifically for AI agents.

How MailKite fits

Comparing AgentMail? MailKite gives agents an inbox over a hosted MCP server (no keys) plus unlimited free domains and a full send+receive platform.

See the full MailKite vs AgentMail comparison

Receive email into AgentMail via MailKite

A minimal, copy-paste starter. Swap in your own domain and API key.

webhook.ts
import { verifyWebhook } from "@mailkite/client";

// MailKite POSTs every inbound email at your domain as JSON.
// Point a route at this handler in the MailKite dashboard.
export default async function handler(req: Request) {
const raw = await req.text();
const sig = req.headers.get("x-mailkite-signature") ?? "";

// Reject anything not signed by your webhook secret
const ok = await verifyWebhook(sig, raw, process.env.MK_WEBHOOK_SECRET!);
if (!ok) return new Response("bad signature", { status: 401 });

const email = JSON.parse(raw);
// Route into AgentMail: open a ticket, create a task, store a record
await routeIntoName(email); // email.from · email.subject · email.text

return new Response(JSON.stringify({ ok: true }));
}
Read the inbound webhooks guide

AgentMail is a funded email platform built specifically for AI agents, offering inboxes that agents can read and send from programmatically. It's an early mover in the agent-email category and a direct point of comparison for teams giving agents their own mail.

Key features

Pricing model

Usage-based

Category

Agent & MCP email

Inboxes, SDKs, and MCP servers that give AI agents email.

Questions about AgentMail

AgentMail vs MailKite for agents?

Both give agents mail. MailKite's angle is a hosted remote MCP server (OAuth, no keys), inbound-first JSON webhooks, and unlimited free domains on a full platform. See /alternatives/agentmail.

Related

Similar tools

Try MailKite alongside AgentMail.

Point a domain, drop in a webhook URL, and send your first email in minutes. Unlimited domains, no credit card.