Business Email Verification/Validation

Avg Bid (USD)
Project Budget (USD)
$1500 - $3000

Project Description:
I have a database of 20 million business email addresses. I would like to have the email addresses verified, validated, or 'pinged' so that bad emails can be removed from the list. I am looking for a freelancer that has experience with a project like this. If you chose to bid, please give me details how you would approach this project and similar projects like this you have conducted. I'm open to your suggestions as to how I should clean this list.

Skills required:
Bulk Marketing, Data Processing, Email Marketing, Internet Marketing
About the employer:
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