Best email verification tool for verifying catch-alls for high volume senders

From someone who sends more than 100K/emails a month, what in your experience is the best email verification tool for verifying catch-alls?

· Sorted by Oldest

Mike R.
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You should do some sample testing across vendors within Clay. Main thing to look for is coverage but a few have bounce issues (have tested them all at scale). Can check Enrichley has best coverage and sub 2% bounce rates
Doug D.
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Yeah I might have too. Which others have you tested at scale?
Doug D.
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Having a hard time getting bounce rate below 2.5%
Mike R.
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Every provider within Clay just as a comparison. Worth running some tests! Also worth tracking bounces to ensure they're all hard bounces for invalid emails since those are the ones email verifiers shouldn't have above 2%
Doug D.
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Thx. Appreciate it Mike R.
Faheem G.
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Million verifier

Mike R.
·
·
You should do some sample testing across vendors within Clay. Main thing to look for is coverage but a few have bounce issues (have tested them all at scale). Can check Enrichley has best coverage and sub 2% bounce rates
Doug D.
·
·
Yeah I might have too. Which others have you tested at scale?
Doug D.
·
·
Having a hard time getting bounce rate below 2.5%
Mike R.
·
·
Every provider within Clay just as a comparison. Worth running some tests! Also worth tracking bounces to ensure they're all hard bounces for invalid emails since those are the ones email verifiers shouldn't have above 2%
Doug D.
·
·
Thx. Appreciate it Mike R.
Faheem G.
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·
Million verifier