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Guide

Five Things to Know About Email Validation

Validation is time-sensitive, accept-all domains remain uncertain, verification cannot prove consent, and a valid mailbox is not the same as an engaged subscriber.

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Key nuances

Results age. Accept-all domains limit mailbox-level certainty. Consent is a separate legal and brand concern. Engagement still requires good content and cadence.

Re-check aging data, preserve acquisition context, and combine verification with engagement signals.

Action checklist

  • Re-check aging data
  • Preserve acquisition context
  • Combine verification with engagement data
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Put this guide into practice

Verify a list or wire the API into your forms — same results in the dashboard, jobs, and API.

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