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What do you mean by short message display blacklist interception?

Text messages sent by people on the blacklist will be blocked by mobile phones. Short message display blacklist interception means that the short messages sent by people on the blacklist will be blocked by mobile phones and cannot be viewed directly. Blacklist is a list of search engine spammers collected by search engines or voluntary users in the process of network SEO optimization, which can be used to prohibit or resist these spammers from entering search engines.