Description: Functions1.Capture and back up all the email messages received or sent out in time. 2.Extract email addresses from the captured email messages. 3.Export email messages list or email addresses list to a CSV or TXT formatted file. 4.Blocked the emails from the intranet users who are not authorized by specifying the mail boxes or IP address. 5.Seek out the email messages. 6.Count up the number of the email messages deal with by each user.