Согласование TXT-записей DMARC для передачи поддержки (Перед прогрессией политики)

Оригинал

DMARC TXT Record Reconciliation for Support Transfers (Before Policy Progression)

A customer-support team moving zones off a registrar-specific API has two changes to control: who publishes its DNS records, and what receiving systems should do with mail that fails authentication. Combining those changes makes a delivery problem harder to explain, because the intended policy, the published TXT record, and the sender inventory can disagree. Preserve the policy while transferring the zone. Tighten it after reconciliation. Short answer: start DMARC policy rollout with monitoring