Alternatively called a blackhole list or deny list, a blacklist is a record of bad e-mail addresses or Internet service providers that send spam e-mail a user or company. Blacklists are set up to help prevent unwanted messages from entering a user’s inbox.

E-mail terms, Internet terms, Security terms, Spam, Whitelist

To get removed from a blacklist, contact the administrator responsible for its maintenance.

Because “blacklist” is offensive, it’s best to refer to this type of list as a “deny list.”

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