A spam filtration software catering for the needs of the worldwide Chinese, which can correctly distinguish emails in English, Japanese, Korean, Traditional Chinese and Simplified Chinese, and even can intercept hostile link from advertisement service provider. The program arrives pre-configured, using heuristic and flexible rules engine to identify spam. It's unique 'fuzzy logic' engines is highly effective in filtering spam without obstructing your legitimate mail. Spammers are so cunning that they always use different combination in words like: "vi@g0ra!", "XAN3A.X", "via gra", "V1AgR@", "V.ia_gr^a", "V.I.A.G.R.A" Letterman guarantees 100% filtering on this cunning technique just right after the installation!