| 摘要 |
System and method for substantially preventing mass-delivery and/or unsolicited electronic messages from reaching an end user's electronic message address (Figure 1). A filter is used to either pass or fail a message, to recognize a pass-phrase, to deliver electroni messages to a first mailbox of an end user when the pass-phrase is identified or when the message passes the filter criteria, and to sen the message to an alternative mailbox when the pass-phrase is not identified and the message fails said filter criteria. The alternative mailbox has a mailbox name different than the first mailbox name, and has a reply address set to a different electronic message addre The alternative mailbox is configured to receive electronic messages delivered through the filter and send a reply containing a human instruction to the electronic message address of the received electronic message, the human instruction indicating a pass-phrase. This invention offers a method of ensuring compatibility among all active spam handling systems thereby avoiding feedback loops and allowing massdeployment of such systems regardless of the specific method used.
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