| http://www.w3.org/ns/prov#value | - a sequenced list of e-mail addresses; means for receiving e-mail including the document and a step indicator; means for determining from the step indicator and the sequenced list, a next step and a next e-mail address; means for updating the step indicator to the next step and the e-mail address to the next e-mail address; and means for sending the e-mail with the updated step indicator and the do
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