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This will work really well at small scale. As you start to make large volumes of queries against major email service providers, they will start blocking you. It
by ttul 9y ago
This will work really well at small scale. As you start to make large volumes of queries against major email service providers, they will start blocking you. It then becomes a cat and mouse game as you move IP address is constantly to try to avoid detection. The only long-term strategy for recipient validation that actually works is to partner with somebody who sends a great deal of legitimate email, and mine their logs.
Source: My company runs a large scale email sending service. Inquire within.
- toomuchtodo 9y agoKeep in mind, this falls under GDPR regulation (data mining email addresses). “Personal data is any piece of data that, used alone or with other data, could identify a person. If you collect, change, transmit, erase, or otherwise use or store the personal data of EU citizens, you'll need to comply with the GDPR.” If you don’t provide services to EU residents, this isn’t applicable. https://kb.mailchimp.com/accounts/management/about-the-general-data-protection-regulation https://kb.mailchimp.com/accounts/management/about-the-gener...