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Previous episode Spam filters: how a mail server decides what lands in the spam folder

How email works: why a fake email from your boss can reach your inbox

Why spam gets through: the choice every spam filter makes

Spam filters could be set to catch far more spam tomorrow. Almost none are, and the reason is a trade every filter has to make.

  1. 1 After Thursday, Miva wants the spam line moved a little lower, so that the next email like Rono's lands in the spam folder.spam from herelow scorehigh scoreRono's emaillowerMiva

    After Thursday, Miva wants the spam line moved a little lower, so that the next email like Rono's lands in the spam folder.

  2. 2 It looks like a free fix: one setting, and Rono's next fake is caught. Mail providers could set their line that low tomorrow. Almost none of them do.spam from herelow scorehigh scoreRono's email?

    It looks like a free fix: one setting, and Rono's next fake is caught. Mail providers could set their line that low tomorrow. Almost none of them do.

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