skippoboxcom skip montanaro get mail several different email addresses frequently get duplicates triplicates moreplicates various spam messages saving spam later analysis havent always careful avoid saving duplicates wrote script time ago try minimize duplicates see calculating loose checksum still duplicates delete duplicates training would people interested script id happy extricate local modules check cvs skip mon 9 sep 2002 113112 0500 spambayes deleting duplicate spam training good idea