Definition
List validation checks addresses for validity, format, and risk before you send. It removes invalid and risky addresses that cause bounces.
Validation at signup and before big sends keeps lists healthy.
Validation removes invalid and risky addresses before they cause bounces and reputation damage. It is one of the cheapest, highest-return hygiene practices available. Running it at signup and before big sends protects your programme.
What Validation Catches
Invalid formats, dead domains, disposable addresses, and risky role accounts.
Validation is a screening step, not a guarantee.
Why It Matters
List validation prevents bounces, protects reputation, and saves cost. It is one of the cheapest, highest-return hygiene practices.
Best Practices
- Validate addresses at signup and before big sends.
- Watch for catch-all and disposable domains.
- Keep validation results to inform hygiene.
- Pair validation with double opt-in.
- Re-validate lists that have been dormant.
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Frequently Asked Questions
Checking email addresses for validity and risk. Validation removes invalid and risky addresses before they cause bounces and reputation damage.
At signup and periodically before campaigns. It is one of the cheapest, highest-return hygiene practices available.
No, but it removes many bounce causes. Running it at signup and before big sends protects your programme.
Similar; verification may confirm an address responds. Validation removes invalid and risky addresses before they cause bounces and reputation damage.
At signup and before major campaigns. It is one of the cheapest, highest-return hygiene practices available.