Clearing email database from invalid emails - repost

This project received 10 bids from talented freelancers with an average bid price of $263 USD.

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Project Description

Hi, I need to someone to clear 30 million emails from invalid addresses. Now they are near 50% of valid.

I hired a freelancer that loose my time and did only syntax check. I hope someone can check the emails for existing in the server records not only existing of MX server.


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