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About

Cloudflare Email Service is a cloud email platform for developers building applications, automated workflows, and AI agents. It combines outbound transactional email delivery with inbound email routing and programmable processing. Applications can send through a Workers binding, REST API, or SMTP, while incoming messages can be routed to Cloudflare Workers for validation, transformation, forwarding, and workflow automation. The service supports domain onboarding with SPF, DKIM, and DMARC configuration, and provides delivery logs and account-level controls. Developers can use it to send notifications, account and transaction messages, receive replies, process inbound messages, and connect email events to application logic. It requires Cloudflare DNS and uses the Cloudflare Workers platform for service access and billing; it is not a hosted mailbox or general-purpose email client.

About

Sendmux gives AI agents their own inbox and a controlled way to send email. Each agent can receive messages, read threads, handle attachments, send replies, and react to new mail through signed webhooks or Server-Sent Events. Teams can send through Gmail OAuth, Outlook OAuth, SMTP providers, or managed Amazon SES. Sendmux can spread sending across providers with weighted routing, sender-domain routing, health checks, failover, and quotas by second, minute, hour, or day. Developers get Mailbox, Sending, and Management APIs, OpenAPI docs, SDKs, the sendmux CLI, MCP tools, and Sendmux Skills. The platform also covers tenant isolation, mailbox-scoped API keys, custom domains, logs, metrics, and usage-based pricing with no per-seat or per-mailbox fees.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and engineering teams that want to add transactional email sending, inbound email routing, or programmable email processing to applications and automated workflows.

Audience

AI agent builders that need an email API for AI agents

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

$5/month
Email Routing is available on Workers Free and Workers Paid plans, with unlimited inbound emails. Sending to verified destination addresses is free on all plans. Sending to other recipients requires Workers Paid, which includes 3,000 outbound emails per account per month; additional email is $0.35 per 1,000. Workers Paid has a $5 monthly account minimum. Workers usage, including Email Routing Workers, is billed separately under Workers pricing.
Free Version Supported
Free Trial Not Supported

Pricing

$0.15 per 1000 emails
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Supported

Company Information

Cloudflare
Founded: 2009
United States
www.cloudflare.com/products/email-service/

Company Information

Sendmux
Founded: 2026
Australia
sendmux.ai

Alternatives

Alternatives

Sweego

Sweego

Mindbaz
EmailLabs

EmailLabs

Vercom
Postmark

Postmark

ActiveCampaign
SMTP Senpai

SMTP Senpai

MailSenpai
SendHQ

SendHQ

Vynara Technologies

Categories

Email APIs Supported

Categories

Agentic AI Supported
Email APIs Supported

Integrations

Claude Not Supported
Cloudflare Workers Supported
Codex CLI Not Supported
FetchSandbox Not Supported
Gmail Not Supported
LangChain Not Supported
Microsoft Outlook Not Supported
Model Context Protocol (MCP) Not Supported
Python Not Supported
Ruby Not Supported
Slack Not Supported
Vercel AI SDK Not Supported
Zapier Not Supported
n8n Not Supported

Integrations

Claude Supported
Cloudflare Workers Not Supported
Codex CLI Supported
FetchSandbox Supported
Gmail Supported
LangChain Supported
Microsoft Outlook Supported
Model Context Protocol (MCP) Supported
Python Supported
Ruby Supported
Slack Supported
Vercel AI SDK Supported
Zapier Supported
n8n Supported
Claim Cloudflare Email Service and update features and information
Claim Cloudflare Email Service and update features and information
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Claim Sendmux and update features and information