For the complete documentation index, see llms-docs.txt or the site index llms.txt. Full docs corpus: llms-full-docs.txt. Prefer the markdown version of this page at /docs/guides/connect-domain/troubleshoot/domain-mismatch.md. Product capabilities: skill.md. Docs MCP: /docs/mcp. Site MCP: /mcp.

Domain mismatch

Errors when the From domain does not match a verified Reloop domain.

Symptom

API or SMTP send fails because the From address domain is not a verified domain in your organization.

Fix

  1. Verify the domain (or subdomain) you want to send from — Add a domain.
  2. Send with a From on that exact verified hostname (e.g. if you verified mail.acme.com, use you@mail.acme.com).

Also see: Domain mismatch.

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