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Knowledge Base & Operational DocumentationHow to Review DNS and Certificate Records Before Adding a New Mail Service
11/10/2026
A new mail provider can require records that interact with existing MX, SPF, DKIM, DMARC, and autodiscovery settings.
Checks to make
Confirm the new service’s documented requirements and current authoritative zone, inventory other senders, and plan record precedence. Test inbound and outbound mail with controlled accounts, then monitor authentication results before retiring old records.
When to get help
DNS and email support can coordinate mail service records and validation. Informatix Systems can assess the symptoms, evidence, and next steps. Contact Informatix Systems to discuss this issue.