The answer
No. The email provider has its own ownership and authentication checks. Publish the records that provider supplies and confirm the sending configuration separately.
How can a custom domain be verified with an email provider?
Does connecting a website to Vercel also verify its email-sending domain?
More FAQs in How can a custom domain be verified with an email provider?
No. Review the existing policy and the email provider's instructions before changing it. Conflicting SPF policies can prevent the intended authentication result for the hostname.
No. Verification is one prerequisite. Delivery also depends on sender reputation, message content, recipient systems, and application behavior, so verify actual controlled sends.
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