| 摘要 |
A method for enforceably reducing spam comprises checking an email message for a specific mark and if the specific mark is present, tagging the email message as non-spam [Figure 3, steps 44 and 46]. The tagged email is displayed to a user of a local computer [step 48]. The specific mark may be displayed with the tagged email [step 64]. The mark is part of an enforceable anti-spam email header field comprising a field name and a field body. The field body comprises the mark which is used for identification or indication of ownership. The mark is legally reserved for the exclusive use of the owner of the mark. If the user identifies the tagged email as spam, the tagged email is sent to a remote enforcement computer [steps50 and 52].
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