6. The method according to claim 5 , wherein computing the receiver relevance score comprises 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 intended recipient of the email message over a period of time.
7. The method according to claim 6 , wherein computing the receiver relevance score further comprises identifying topics that match the one or more characteristics of the intended recipient of the email message.