How to Set MX Records via API: Automate Email Routing Programmatically (opens in new tab)

Every domain you register for a user without setting MX records just creates broken email configurations. At five domains, it’s a minor annoyance. At five hundred, it’s a support backlog. At five thousand, it’s a full-time job. If your platform provisions domains for users (whether that’s a website builder, a multi-tenant SaaS, or a developer tool that provides domain-at-checkout), email routing belongs in your provisioning pipeline, executed immediately after domain registration, without any...