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Email verification
Format, domain, mail server and mailbox checks
Bulk list cleaning
Upload CSV or Excel files with up to a million rows
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Verify addresses in signup forms and imports
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Lists deleted within 30 days, never shared
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Help center
/ Understanding results
Understanding results
What each status means and what to do with it.
What do the verification results mean?
Valid, invalid, catch-all, role, disposable and unknown, explained.
Why is a result unknown?
Mail servers sometimes do not answer clearly. Unknown results are always free.
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