---
description: Configure domains, routing rules, and MTA-STS for Cloudflare Email Service.
title: Configuration
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/email-service/llms.txt  
> Use this file to discover all available pages before exploring further.

# Configuration

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://e8aee267.previews.developers.cloudflare.com/email-service/configuration/index.md)|[Agent setup](https://e8aee267.previews.developers.cloudflare.com/agent-setup/)

Configure domains, routing rules, subdomains, and MTA-STS for Cloudflare Email Service.

* [Domain configuration](https://e8aee267.previews.developers.cloudflare.com/email-service/configuration/domains/)
* [Email routing rules and addresses](https://e8aee267.previews.developers.cloudflare.com/email-service/configuration/email-routing-addresses/)
* [Subdomains](https://e8aee267.previews.developers.cloudflare.com/email-service/configuration/subdomains/)
* [Configure MTA-STS](https://e8aee267.previews.developers.cloudflare.com/email-service/configuration/mta-sts/)
* [Configure send bindings](https://e8aee267.previews.developers.cloudflare.com/email-service/configuration/send-bindings/)

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## On this page

[![](https://e8aee267.previews.developers.cloudflare.com/_astro/logo.te5VL_aD.svg)Docs](https://e8aee267.previews.developers.cloudflare.com/)

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