2. The system according to claim 1 , wherein the prioritization module is capable of computing the sender relevance score by comparing a term frequency score for a topic to a corpus frequency score for the topic, wherein the corpus frequency score is based on a corpus of emails that have been at least one of sent or received by the sender of the email message over a period of time.
3. The system according to claim 2 , wherein the prioritization module is capable of computing the sender relevance score by further identifying topics that match one or more characteristics of the sender of the email message.