Email Verification Guide

Research on email verification

In this section, we share the results of research we run on email verification, from benchmarking to studies and experiments.

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Research on email verification

You may know that sending emails to accept-all email addresses means more of your emails will bounce, but how much more?

Email addresses go stale, but at what rate? What's the ROI on email verification?

In this section, we aim to answer questions like these to advance our own understanding of email verification and improve Hunter's verification service.

How Often Should You Verify Your Mailing List (Email Data Decay)

How often should you re-verify your mailing list to avoid a high bounce rate? In total, 5.5% of my mailing list was no longer valid after 8 weeks.

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5 Email Verification Lessons From Surveying 155 Professionals

Email verification is basic email hygiene, but only 9% of professionals treat verification and list cleaning as a daily habit.

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How to choose and use an email verifier

To verify email addresses, you need an email verification service. But not all email verifiers are the same. They differ on accuracy and the services they offer. In this section, you'll learn about the available email verification services to help you choose the right one.
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Verify emails with confidence.

Improve deliverability, protect your sender reputation, and keep your list clean—free forever.
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