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Domains.

Add a sending domain, publish its DNS records and verify it.

Domains

POST /api/v1/domains with { "name": "mail.acme.dev" } returns the records to publish: three DKIM CNAMEs, and an MX and SPF TXT record for the return path. Call POST /api/v1/domains/:id/verify to re-check. Each group is reported as pending, verified or failed; DNS changes can take minutes to hours.