67. An apparatus comprising: one or more processors; means for receiving a message from a message sender; means for obtaining a reputation score of the message sender, wherein the reputation score of the message sender was determined by performing the steps of: obtaining two or more lists from two or more list providers; determining which lists of the two or more lists indicate the message sender; extracting from each list of the two or more lists indicating the message sender an individual score for the message sender, representing an individual probability that the message sender sent an unsolicited message; computing the reputation score for the message sender from the individual scores for the message sender from each list of the two or more lists indicating the message sender; wherein the step of computing the reputation score comprises determining an aggregate score based on the individual score for each list of the two or more lists by performing at least one of a Chi Squared calculation, a Robinson calculation and a Bayes calculation on the individual scores for the message sender; and means for performing a specified action associated with responding to the unsolicited message, when the reputation score is worse than a first predefined threshold.
71. The apparatus of claim 67 , wherein the means for performing the specified action comprises means for moving the message into a bulk mail message folder.