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Direct Mail:Why Are the Domain Name Ownership Validation, SPF Validation, and MX Validation Required?

Last Updated:Jun 18, 2026

Domain ownership, SPF, and MX validations protect your sender identity and improve email delivery efficiency.

  1. Prevent others from misusing the email service that Direct Mail provides for you.

  2. Prevent others from registering the same sender address as yours on Direct Mail to send notifications and promotional emails under false pretenses.

  3. Improve overall email delivery efficiency.