Cloudflare Email ServiceCloudflare
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Related Products
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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.
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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.
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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
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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
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Audience
Developers and engineering teams that want to add transactional email sending, inbound email routing, or programmable email processing to applications and automated workflows.
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Audience
AI agent builders that need an email API for AI agents
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and VideosNo images available
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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
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Pricing
$0.15 per 1000 emails
Free Version
Supported
Free Trial
Not Supported
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Reviews/
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Reviews/
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Supported
In Person
Supported
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Company InformationCloudflare
Founded: 2009
United States
www.cloudflare.com/products/email-service/
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Company InformationSendmux
Founded: 2026
Australia
sendmux.ai
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Categories |
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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
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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
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