You know, it might be closer to AWS SES and SendGrid than I thought initially. My first reading of blog post gave me the impression that Cloudflare Email Service was designed for Cloudflare Workers only because that’s what they emphasized upfront. But I missed this piece:

> We’re also making sure Email Service seamlessly fits into your existing applications. If you need to send emails from external services, you can do so using either REST APIs or SMTP.