Discrepancy in Email Validation Results: Zerobounce vs EmailOversight

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Hi support. I used email waterfall and got 96 validated emails (done by Zerobounce). I tried verifying the same list through another platform (EmailOversight) and their report says that only 29 are valid. Can you help explain the discrepancy?

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The main reason for this discrepancy likely stems from how Clay and Zerobounce handle catch-all emails by default. In Clay's email validation process using Zerobounce, catch-all emails are automatically returned as valid.While catch-all emails are often real and functional, there's some uncertainty about whether they belong to the specific individual or if they're aliases. Different email validation services may handle catch-all emails differently, which could explain the variation in results between Zerobounce and EmailOversight.For a more conservative validation approach, you can enable the "only mark safe to send" option in Clay's Zerobounce settings. This will exclude catch-all emails from your valid email list and only return emails that are explicitly classified as "valid". Sources: Enrich People (Waterfalls) [Automated Inbound] - Clay University Validate Email with Zero Bounce
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