7. The method of claim 6 , wherein comparing the first message to the second message comprises comparing at least one of the following data points: information in a reference header, title, sender names and receiver names.
6. The method of claim l , further comprising: comparing the first message to the second message to determine if the first message is related to the second message; and wherein the notifying is performed only if the first message and the second message are determined to be related.