To verify each email, Null Bounce uses several different methods, including SMPT-validation and some provider-specific methods. Role-base, disposable, and free emails are detected as well. All duplicated emails are free.
Here are some features of Null Bounce:
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Check for real email addresses at the point of signup AND clean emails you’ve already collected. Email validation API built for developers & CSV bulk email validation for marketers, and anyone really.
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