If you configure all filters to their most aggressive levels, you will block more suspicious senders, but you might inadvertently ...

If you configure all filters to their most aggressive levels, you will block more suspicious senders, but you might inadvertently block valid senders. Lower filtering levels will more reliably let valid senders send messages, but you might miss some suspicious senders. Senders with a reputation level greater than or equal to the threshold will be acted upon as determined by the selection below.
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