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Why can't the mobile phone housekeeper stop spam messages?

The interception rules are imperfect, and the spam message technology is updated.

1. Imperfect rules: The interception rules of mobile phone housekeeper are based on certain algorithms and rules. If these rules are not perfect or updated in time, some spam messages will not be intercepted.

2. The technical means of spammers are constantly updated. The technical means used by spammers are constantly updated, such as using false sending addresses and changing the content of short messages, which can bypass the interception of mobile phone housekeepers. In addition, some spammers will also use some advanced technical means, such as using vulnerabilities or using encryption to send short messages, which will also make it difficult for mobile phone housekeepers to intercept.