Email Blacklists

  • How Blacklists Ruin Christmas For Email Marketers

    A blacklist is a way of blocking IP addresses or domains of email servers sending out identified spam. Once a spam source has been identified, the blacklist owner will place the domain and/or IP address onto a list so that anyone can query it and block these spam sources, whether you're an email provider like Gmail or someone running your own business.

    Tom Sather/ Marketing Land- 13 readers -
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