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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryEmail & LifecycleEmail Verification

Email & Lifecycle

Email Verification

Checking email addresses for validity, typos, disposable domains, or risk before sending, to reduce bounces and spam trap hits.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Email verification is the process of checking email addresses for validity, typos, disposable domains or risk before sending, to reduce bounces and spam trap hits. It can run at the point of signup or in bulk on existing lists. Cleaner lists protect sender reputation and improve inbox placement for future campaigns.