Email Service

Email for applications, workflows, and agents

Cloudflare Email Service gives your applications and agents a native way to send transactional email, receive inbound messages, and automate workflows on a global network.

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Built for Agents

Give agents a real inbox and the ability to send, receive and reply without stitching together third-party tools.

Programmable by default

Route inbound email to Workers, process with AI, store attachments, and trigger workflows with code

One platform, bidirectional email

Combine email routing and email sending to handle the full email lifecycle on one platform.

Build without boundaries

Join thousands of developers who've eliminated infrastructure complexity and deployed globally with Cloudflare. Start building for free no credit card required.

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No cold starts or region complexity SASE and Zero Trust without the complexity Deploy to 330+ cities instantly Defend against the Internet's biggest DDoS attacks Predictable pricing without surprises Identity-aware Zero Trust access that retires your VPN Battle-tested infrastructure powering millions CDN, WAF, and DNS faster than the public Internet No cold starts or region complexity SASE and Zero Trust without the complexity Deploy to 330+ cities instantly Defend against the Internet's biggest DDoS attacks Predictable pricing without surprises Identity-aware Zero Trust access that retires your VPN Battle-tested infrastructure powering millions CDN, WAF, and DNS faster than the public Internet

[Background Pattern]

send.ts receive.ts built.ts

export default {  async fetch(request, env) {    await env.SEND_EMAIL.send({      to: [{ email: 'user@example.com' }],      from: { email: 'notifications@your-domain.com', name: 'Your App' },      subject: 'Your order has shipped',      text: 'Your order #1234 has shipped and is on its way.',    });
    return new Response('Email sent');  },};

export default {  async email(message, env, ctx) {    const raw = await new Response(message.raw).text();
    await env.EMAIL_QUEUE.send({      from: message.from,      to: message.to,      raw,    });  },};

import { Agent, routeAgentEmail } from 'agents';import { createAddressBasedEmailResolver, type AgentEmail } from 'agents/email';import PostalMime from 'postal-mime';
export class SupportAgent extends Agent {  async onEmail(email: AgentEmail) {    const raw = await email.getRaw();    const parsed = await PostalMime.parse(raw);
    const emails = this.state.emails || [];    emails.push({      from: email.from,      subject: parsed.subject,      body: parsed.text,      receivedAt: new Date().toISOString(),    });
    this.setState({ ...this.state, emails });
    await this.replyToEmail(email, {      fromName: 'Support Agent',      body: `We received your message about "${parsed.subject}".`,    });  }}
export default {  async email(message, env) {    await routeAgentEmail(message, env, {      resolver: createAddressBasedEmailResolver('SupportAgent'),    });  },};