Patent ID: 8776210

Claim:
A method for processing a message, comprising: maintaining whitelisted messages in memory, the whitelisted messages sent over a communication network to an intended recipient; maintaining a table of message features in memory, wherein each message feature corresponds to a good count and a spam count, the good count based on a number of times the message feature is associated with a previously received message determined not to be unsolicited and the spam count based on a number of times the message feature is associated with a previously received message determined to be unsolicited; maintaining a table of user classifications of previously received messages in memory; receiving a message sent over the communication network; executing instructions stored in memory, wherein execution of the instructions by a processor: parses the message to identify a message feature, determines the number of times the message feature has appeared in previously received whitelisted messages, wherein each of the previously received whitelisted messages is associated with an address to which the intended recipient has previously sent a message, computes a score for the message feature identified in the received message based on: the good count and spam count associated with the identified message feature, a weighted version of the user classification of received messages associated with the identified message feature, and the number of times the message feature has appeared in previously received whitelisted messages, and processes the received message according to the computed score.