The word ´munge´ means to disguise or change. It´s usually used on the Internet when referring to disguising your own email address so that bad people out there can´t use it for evil purposes. That´s what this program if for: you can disguise your email addresses in the copies of spam that you report to the spammer´s IP. With this program, it only takes a few seconds to process each spam. It´s a great time-saver.