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Email validation is the process of removing inaccurate data from an email database. If you haven’t verified your list, chances are many of the email addresses are simply not real. Email validation eliminates the bad and fake email addresses, so you’ll reach real people who can actually read what you send. It stops you from being considered a spammer, a score used by Internet service providers (ISPs) to rate whether a sender is legitimate or not. Find a reputable company that has real people you can talk to.