email_domain_exists

The app already sends email from a domain.

Status: HTTP 409 · Keys and domains

What happened

The app already sends email from a domain. An app sends from one domain at a time: remove that one first (Domains → the domain → Email), then add the new one.

Read more

• email_domain_exists in the error table
• Keys and environments
• Domains (dashboard guide)
• API keys (dashboard guide)
• Changelog: when codes were added or removed