# Cloudflare Email Service

Canonical: https://inetgeek.com/email/cloudflare-email/

Email sending from Workers bindings, a REST API or authenticated SMTP, alongside inbound Email Routing — sold as part of the Workers platform rather than by send volume.

## Who it suits

Applications already on Workers that need to send from the same platform they run on — one binding, no separate vendor, and inbound routing free and unlimited alongside it.

Consider something else if You need to send on a free plan, or you need volume pricing. Outbound to arbitrary recipients is unavailable on Workers Free, and the paid allowance of 3,000 a month is small next to a dedicated email provider's.

## What the documentation says

### Pricing

- Free tier: Yes ([source](https://developers.cloudflare.com/email-routing/), read 2026-09-13)
- Kind of free offer: Free tier ([source](https://developers.cloudflare.com/email-service/platform/pricing/), read 2026-09-13)
- What the free plan includes: Unlimited inbound email routing on the Workers Free plan. Outbound sending to arbitrary recipients is not available on it — only sends to destination addresses you have verified in your own account, which are free on every plan and count against no quota. ([source](https://developers.cloudflare.com/email-service/platform/pricing/), read 2026-09-13)
- Pricing model: Billed with the Cloudflare plan rather than as a separate product: outbound sending requires Workers Paid, which includes 3,000 emails a month, then $0.35 per 1,000. Hard bounces count against the quota; sends rejected at the API boundary do not. ([source](https://developers.cloudflare.com/email-service/platform/pricing/), read 2026-09-13)

### Inference

- Rate limits: Applied per account rather than per key, and adjusted automatically as sending reputation improves. The same limits cover the REST API, the Workers binding and SMTP. ([source](https://developers.cloudflare.com/email-service/platform/limits/), read 2026-09-13)

### Email

- Emails included: 3,000 outbound emails a month included on the Workers Paid plan, then $0.35 per 1,000. Inbound routing is unlimited. The Workers Free plan cannot send outbound to arbitrary recipients at all. ([source](https://developers.cloudflare.com/email-service/platform/pricing/), read 2026-09-13)
- Price per 1,000 over: $0.35 per 1,000 emails beyond the 3,000 included each month on Workers Paid. ([source](https://developers.cloudflare.com/email-service/platform/pricing/), read 2026-09-13)

### Queues

- Maximum message size: 50 recipients per email across To, Cc and Bcc combined; subject lines up to 998 characters. ([source](https://developers.cloudflare.com/email-service/platform/limits/), read 2026-09-13)