| http://www.w3.org/ns/prov#value | - The MTA detects the frequency of contact from a specific originating address or domain and blocks access if that frequency exceeds predefined limits as indicated in stage 2760. [0314] If the frequency does not exceed the specified limits, then the MTA determines if the message is a spam message based on its content as illustrated in stage 2750 by searching for common words and phrases that may ind
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