ঁ܄ϯޑڱ֣ແҹၸᘠس
Ֆᑑғ* ߑ҇** ଯയշ*
*
ύᑫεᏢၗૻࣽᏢس
**
රࣽמεᏢ୍ߎᑼس
*{w9156007,sjkao}@cs.nchu.edu.tw
**
fmchang@mail.cyut.edu.tw
ᄔा
ӧҁЎύǴךॺीᆶჴբঁаنМᐒБ ݤࣁ୷ᘵǴ٠ӕਔ่ӝ՛ܺᏔᆄᆶ٬Ҕޣᆄၸᘠф ૈޑ܄ϯڱ֣ແҹၸᘠسǶӧҁسǴᙖҗ ǵқӜൂᐒڋаϷख़ᢀۺޑᔈҔǴᡣ٬Ҕޣᆄ ё٩ঁΓሡǴԾुǵқӜൂϷख़ॶǴаࡌҥ ӝ՛ܺᏔᆄᆶ࠼ЊᆄሡϐঁΓϯڱ֣ແҹၸ ᘠೕ߾ǶჹܭКၨόዕႝတسޑ٬ҔޣǴ ߾ёаֹӄၸسޑೀǴόሡ٬ҔޣԾुచ ҹǴΨૈளډၨ٫ၸᘠڱ֣ແҹޑਏ݀Ƕќ ѦǴڱ֣ແҹၸᘠೕ߾ёӧسԾޑ૽ግΠǴό ᘐុӦ׳ཥǴᡣسόӢࣁڱ֣ແҹޑВཥД ౦ǴԶफ़եڱ֣ແҹղձǶࣁΑᡍسޑӚ фૈǴךॺӧ Mjovy ޑᕉნΠჴբᚉࠠسǴ٠ வϩᜪၗϷख़ୖኧፓჹແҹղձϐቹ ៜ ǵ Ϸ ᆶ Ծ җ ೬ ᡏ ϐ ڱ ֣ ແ ҹ ၸ ᘠ Ꮤ Ǵ Tqbnbttbttjo ᆶ!QPQGjmfǴޑКၨΟঁБय़ٰ ࣬ᜢޑϩൔǴჴᡍޑ่݀ΨᇥܴΑҁسޑё Չ܄Ƕ ᜢᗖຒǺڱ֣ແҹǵၸᘠᏔǵنМᐒǵ܄ϯ2 ᙁϟ!
ႝηແҹޑБߡ܄ϷեԋҁǴ٬ځԋࣁᆛሞᆛ ၡදၹޑᅿ୍ܺǶՠᒿڱ֣ແҹޑၸࡋҌ ᔲǴԋᆛၡᓎቨεໆ՞ҔǴᆛၡ୍ܺගٮޣޑ ແҹЬᐒϣฯᅷޜ໔ڱ֣ແҹкѾǴԏҹޣΨѸ ӭᚐѦޑਔ໔ѐᔠຎϷմନڱ֣ແҹǴफ़ եΑπբޑғౢΚϷԋਔ໔ޑੁǶӢԜǴ ঁ҅ዴᆶԖਏޑڱ֣ແҹၸᘠسࢂԖѸाޑǶ ঁ҅ዴᆶԖਏޑڱ֣ແҹၸᘠسǴ೯தሡ ่ӝӳ൳ၸᘠמೌǴωёаᡣၸᘠਏ݀ගϲ[2]Ƕ ҞٰᇥςԖӭޑڱ֣ແҹၸᘠᏔמೌග рǴӵ୷ҁ่ᄬЎӷၸᘠᏔ(Basic Structured Text Filters)[2][3^ ǵ қ Ӝ ൂ у ዴ ᇡ ᡍ ၸ ᘠ Ꮤ (Whitelists/Verification Filters)[2][3^ǵϩණࠠᔈԄ Ӝൂ(Distributed Adaptive Blacklists)[2^ǵೕ߾ϩ ኧीᆉݤ(Rule-Based Rankings)[2^ǵنМЎӷԄڱ ֣ ແ ҹ ၸ ᘠ Ꮤ (Bayesian Word Distribution Filters)[3^ǵϷنМӷຒԄڱ֣ແҹၸᘠᏔ(Bayesian trigram filters)[3][10^Ƕӧ೭٤מೌύǴаنМᐒ БԄࣁ୷ᘵ܌ीޑڱ֣ແҹޑၸᘠسǴόፕӧ ҅ዴղᘐڱ֣ແҹϷ҅ዴղձрແҹޑਏ݀ ᇻଯܭځѬᅿޑמೌǶ೭٤מೌֹޑКၨϩ Ǵёаӧ Ebwje!Nfsu{ ޑЎകύפډ[2]Ƕ Ҟεҽڱ֣ແҹၸᘠ೬ᡏޑीБԄǴё ϩࣁ՛ܺᏔᆄೀϷ٬ҔޣᆄೀޑБԄǶ՛ܺᏔ ᆄೀޑБԄനεޑᓬᗺࢂБߡᆅǴԛёаჹ ܌Ԗ٬ҔޣٰೀǶલᗺࢂલЮΑঁձ܄ǴӢࣁঁ ձ٬Ҕޣჹܭڱ֣ແҹޑۓကёૈࢂόӕޑǴӢԜ ҅ዴၨৡǶԶ٬ҔޣᆄޑೀБԄ߾ቸ܄ၨεǴ ҅ዴၨଯǴՠӧ٬Ҕ߃යਏ݀೯தό٫Ƕӧ ҁЎύǴךॺගрঁаنМᐒБԄࣁ୷ᘵޑ ܄ϯڱ֣ແҹၸᘠسǶԜسӧीӕਔ่ӝ ՛ܺᏔᆄᆶ٬ҔޣᆄޑၸᘠфૈǴٰቚуسޑё ܄Ƕ٬ҔޣᆄёаճҔԾ܈Ћፓख़ॶޑ БԄǴБߡ٬Ҕޣᆄёа٩ঁΓሡǴԾु಄ӝԾ ρޑқӜൂϷख़ॶǴவԶࡌҥଆঁΓແҹၗ ࡕᆶسၗӝǶჹܭКၨόዕႝ တسޑ٬ҔޣǴ߾ёаֹӄၸسޑೀǴό ሡ٬ҔޣԾुచҹǴΨૈளډၨ٫ၸᘠڱ֣ແҹޑ ਏ݀Ƕ2
سࢎᄬ
2.1سᇥܴϷࢎᄬ ҁسࢂаنМᐒࣁ୷ᘵ܌วрٰǴ٬Ҕ ޣёၸ WEB ϟय़ǴԾՉፓख़ॶǶঁس ࢂҗΟҽٰಔԋǺՉηسǴ૽ግηسǴᆶ WEB ϟय़ηسǶηسύԖ٤ኳಔӧфૈࢂ ࣬ϕख़᠄ޑǴӢԜ೭٤࣬ӕфૈޑኳಔёаӅҔǶ ঁسࢎᄬӵკ 1 ܌ҢǶ ച۩ߓอ ᄅၡٙ ߓ อ ಝ ᒭ ߓ อ ࠌ ش ृ ಝ ᒭ ߓ อ ߓ อ ։ ᣊ ၡ ٙ ࠌ ش ृ ։ ᣊ ၡ ٙ ߓ อ ࠌ ش ृ WEBտ૿ߓอ ࠌشृ ᦞૹଖૠጩ კ 1 سࢎᄬკ! 3/3 Չηس!! ՉηسޑЬाфૈࢂղձཥແҹࢂց ࣁڱ֣ແҹǶӅх֖ΎεኳಔǺཥແҹௗԏኳ ಔǵແҹှኳಔǵೀኳಔǵၗኳಔǵ ख़ीᆉኳಔǵنМᐒኳಔϷແҹሀଌኳಔǶཥ ແҹௗԏኳಔௗԏཥແҹࡕǴଌ๏ແҹှ ኳಔǴແҹှኳಔှࡕແҹࡕǴჹྣқӜ ൂǶऩࢂແҹӦ֟ςӈӧқӜൂύǴޔௗஒແҹ ଌ۳ແҹሀଌኳಔೀǹӵόӧқӜൂύǴ߾߄ ҢሡाၸղձǴӢԜஒှޑ่݀ଌ۳ೀ ኳಔǶೀኳಔڗрແҹύޑࡕǴӆஒ ଌ۳ख़ೀኳಔೀǴख़ೀኳಔϩձډس ၗϷ٬Ҕޣၗڗрҗ૽ግηسளډ ޑᐒ߄Ǵ٩ྣख़ॶελǴளډঁ٬Ҕޣ ឦޑᐒ߄ǶҗԜᐒ߄Ǵёीᆉрᐒ ॶനଯϷനեޑ 26 ঁᐒॶࡕǴଌډنМ ೀኳಔǶنМೀኳಔ൩аنМᐒϦԄीᆉр ೭࠾ཥແҹޑᕴᐒॶǴ೭ᕴᐒॶж߄ཥແ ҹࣁڱ֣ແҹޑᐒǴ೭ঁᕴᐒॶຬၸࢌঁ ߐᘖॶ)җ٬ҔޣԾुǴࣁ 1/:*\4^ਔǴջղۓ ࣁڱ֣ແҹǴӆஒཥແҹଌ۳ແҹሀଌኳಔǴஒ ཥແҹ٩ྣղۓ่݀ǴஒཥແҹሀଌޑೀǶ ঁՉηسೀࢬำᆶࢎᄬӵკ 3 ܌ҢǶ! ᄅၞၡٙ൷گ ၡٙᇞ࣫ ᑑಖ ᦞૹૠጩ ߦּᖲ ၡٙᎠಬ ᇷ ற ߓอ ᇷ ற ࠌشृ ႕ػټ კ 2 Չηسࢬำᆶࢎᄬკ! 3/4 ૽ግηس! ૽ግηسޑЬाфૈࢂჹ՛ܺᏔᆄϷ٬Ҕ ޣᆄςϩᜪӳޑແҹ)ແҹϷڱ֣ແҹ*૽ ግޑբǶӅёϩࣁΟεኳಔǺແҹှኳಔǴ ೀኳಔǴϷၗኳಔǶӃճҔແҹှኳಔ ஒແҹှޑೀǴӆճҔೀኳಔǴڗр ແҹύޑǴीᆉррӧແҹӝ کڱ֣ແҹӝύޑԛኧǴӆ٩ϦԄीᆉளр ঁࣁڱ֣ແҹύޑᐒॶǴ٠Ъஒ೭ঁᐒॶ ಔԋޑᐒၗ߄ϩձ٩سᆄϷ٬ҔޣᆄᓯӸ ӧၗϣǶঁ૽ግηسೀࢬำᆶࢎᄬӵკ 4 ܌ҢǶ! ၡٙᇞ࣫ᑓิ ᑑಖᑓิ ߓอ ᇷ ற ᇷ ற ࠌشृ ࠌشृ։ ᣊၡٙႃٽ ߓอ։ᣊ ၡٙႃٽ ᇷறᑓิ კ 3 ૽ግηسೀࢬำᆶࢎᄬკ!3/5!XFC ϟय़ηس! XFC ϟय़ηسޑЬाфૈࢂฦΕϟय़ኳಔޑ ගٮǴᡣ٬ҔޣёаၸᘤំᏔ XFC ϟय़БԄΕ سϣǶӅϩࣁѤεኳಔǺฦΕϟय़ኳಔǵᏹբϟ य़ኳಔǵқӜൂኳಔǵख़ॶኳಔǶ! 3/6 Ӛኳಔфૈᇥܴ! ແҹှኳಔ! ॄೢ᠐ڗӚᅿԄޑແҹᔞਢǴӵ 8 Տϡǵ9 ՏϡǵVvfodpef ϷӭҔᆛሞߞҹۯ՜)NJNF*\22^ ԄǴฅࡕ٩ྣແҹϣǴගٮ๏ځѬኳಔ٬ҔǶ ှрޑ߄ᓐ)ifbefs*Ϸϣ)cpez*Ѹϩձڗ рೀǶ! ೀኳಔ! ॄೢௗԏແҹှኳಔޑၗǴஒ೭٤ၗ ޑೀϷϩപǴᘏڗрךॺሡाޑҽǴ ӵӷ)xpse*܈Тᇟ)qibtf*Ƕӆଛӝςϩᜪແҹύ ແҹکڱ֣ແҹޑᕴኧໆǴаߡکрޑ ᕴԛኧճҔϦԄीᆉǴளډ܌Ԗᐒॶޑᐒ ߄ࡕǴӆଌ۳ၗኳಔύᓯӸᐒ߄ၗǶ! ၗኳಔ! ॄೢᓯӸрԛኧޑၗ߄ک܌Ԗޑ ᐒ߄Ƕрԛኧၗ߄ࢂҔٰीᆉঁ ӧڱ֣ແҹύޑᐒॶǹᐒ߄ࢂҔٰن Мीीᆉޑ୷ҁၗǶ! ख़ीᆉኳಔ! ॄೢௗԏೀኳಔޑၗǴ٩ྣೀ ኳಔೀрٰޑၗǴӆډسၗϷ٬Ҕ ޣၗύڗр࣬ᜢǴӆ٩ྣख़ॶελǴी ᆉளډঁཥແҹ܌Ԗᐒ߄ǴӆஒԜᐒ ߄௨ׇೀǴஒ௨ׇࡕനεϷനλޑ 26 ঁᐒ ॶଌԿنМೀኳಔύೀǶ! نМೀኳಔ! ॄೢௗԏख़ीᆉೀኳಔଌၸٰޑ 26 ঁ ᐒॶǶճҔ೭ 26 ঁᐒॶǴنМᐒϦԄ ीᆉࡕǴளډແҹޑᕴᐒॶǴԜᕴᐒॶёҔٰ ղۓແҹࢂցࣁڱ֣ແҹǴ٠ஒղۓޑ่݀Ǵଌ ډແҹሀଌኳಔǶ! ແҹሀଌኳಔ! ॄೢௗԏنМೀኳಔޑղۓၗǴ٩ղۓޑ ่݀ǴჹܭແҹሀଌޑೀǶ! ฦΕϟय़ኳಔ! а Mjovy سࣁ୷ᘵǴаᘤំᏔ XFC ϟय़БԄǴ ဦஏዸޑዽਡǴ೯ၸᇡǴջёΕҁسύ س܈ঁΓၸᘠख़ॶ௴ǵۓǾ/࣬ᜢф ૈǶ! ᏹբϟय़ኳಔ! ගٮᘤំᏔᏹբᕉნǴسᆅޣϷঁΓ٬Ҕ ޣёБߡқӜൂϷख़ॶኳಔޑ࣬ᜢၗ ۓǶ! қӜൂኳಔ! ගٮسᆄϷ٬ҔޣᆄۓқӜൂޑф ૈǶқӜൂගٮՉηسύޑແҹှኳಔК ჹၗǴѝाཥແҹ࣬ᜢ಄ӝқӜൂύޑၗ Ǵແҹှኳಔջёஒཥແҹޔௗଌ۳ແҹሀଌ ኳಔແҹޑሀଌ܈࣬ᜢޑೀǶ! ख़ॶኳಔ! ගٮख़ॶ௴ҔǵᜢഈϷۓޑфૈǶ٠ගٮ ၗ๏Չηسύख़ೀኳಔແҹᐒ ॶޑфૈǶ! 3/7 ख़ीᇥܴ! ҁسࢂճҔΒঁၗӆуख़ॶٰౢ ғཥޑղձҔᐒ߄ၗǴаղᘐཥແҹࢂցࣁ ڱ֣ແҹǶၗၗౢғޑၸำύǴ٬Ҕډޑ ୖኧԖѤঁǺղձҔၗᐒ)O`qspc*ǵس ᆄၗᐒ)T`qspc*ǵ٬Ҕޣᆄၗ ᐒǺ)V`qspc*ǵϷख़ॶ)xfjhiu*ǶཥղձҔ ᐒ߄ၗБݤޑౢғёϩԋΟᅿރݩǺسᆄ Ϸ٬ҔޣᆄၗࣣԖᐒၗǵسᆄၗ ԖᐒၗǴԶ٬ҔޣᆄၗؒԖᐒ ၗǵکسᆄၗؒԖᐒၗǴԶ٬ ҔޣᆄၗԖᐒၗǶځीᆉϦԄϩձࣁ! O`qspc>T`qspc+)2.xfjhiu*! ,! V`qspc+xfjhiu ǵ O`qspc>!T`qspc+)2.xfjhiu*!,!1/5+xfjhiu! O`qspc>1/5+)2.xfjhiu*!,!V`qspc+xfjhiu! Ҕޣᆄ܈سᆄҺБؒԖᐒਔǴऩ ޔௗ௦ҔϦԄीᆉǴஒ٬ளղձҔၗ ᐒॶᝄख़ӛܭແҹᐒǶࣁှ،೭ᅿ όӝޑीᆉБݤǴځᐒॶۓࣁ 1/5\4^Ƕ!!
4 سჴբᆶჴᡍ่݀!
3.1سჴբ ҁسࢂӧ Linux سᕉნΠჴբǴ٬Ҕޣа LinuxسύচԖςۓӳޑဦϷஏዸฦΕډҁ سϣǴӆ٩ঁΓޑሡǴۓسᆄ،ۓǴ܈٬ ҔޣԾुख़ॶǶ٬ҔޣନΑख़ॶۓϐѦǴ٠ ёаुҥқӜൂϷӜൂǴуೲڱ֣ແҹၸᘠᏔޑ ೀೲࡋǶӧسᆄޑҽǴךॺӧ/etc/procmailrc ύۓஒ܌Ԗແҹᙯӛډҁسޑڱ֣ແҹၸᘠ ᏔำԄǶӧ٬ҔޣᆄޑҽǴঁΓёၸ Web ϟ य़ǴࡌҥঁΓৎҞᒵΠޑ .procmailrc ᔞਢǴٰࣁ ڱ֣ແҹၸᘠঁΓແҹϷՉ࣬ᜢբǶسำԄ ዸ௦Ҕ Perl ᇟقǴЬाޑচӢࢂӢ Perl ჹܭЎӷೀ ૈΚߚதӳǴу Perl ำԄёаၠѳѠǴ٠Ъ Perl ӧ Unix-like سΠวςࡐΦǴᛙۓ܄ߚதӦӳǶ! 4/3!ჴᡍ่݀! ࣁΑᡍҁسޑӚфૈǴךॺவϩᜪၗ ελჹແҹղձϐቹៜǵख़ୖኧፓჹແҹղ ձϐቹៜǵϷᆶԾҗ೬ᡏڱ֣ແҹၸᘠᏔϐКၨΟ ঁБय़ٰ࣬ᜢޑჴᡍᆶКၨǶ! 4/3/2 ϩᜪၗελჹແҹղձϐቹៜ! җܭҁسࢂаنМᐒࣁ୷ᘵٰڱ֣ແ ҹޑղձǶӢԜӧჴሞၮբǴѸӃϩᜪр ແҹϷڱ֣ແҹΒεҽǴԶແҹϷڱ֣ແҹ ኧໆޑӭჲჹղձਔౢғཱུεޑቹៜǶҁسύ ܌௦Ҕ૽ግϷղձޑແҹࢂҗᆛၡཱུࣁӜޑ Ծҗ೬ᡏڱ֣ແҹၸᘠᏔtqbnbttbttjo\29^Ϸ TqbnBsdijf\23^ޑᆛઠ܌Ϧ໒ޑᆛၡၗ܌ ڗளǴၗϣ֖Ԗӭ୯ᇟسǴ٠Ъςϩᜪӳ ແҹϷڱ֣ແҹǶךॺᘏڗрჴᡍҔ૽ግແҹၗ Ǵ֖ԖແҹޑኧҞ 6325 ࠾Ǵڱ֣ແҹޑኧ Ҟ 9648 ࠾ϷჴᡍҔෳ၂ແҹၗແҹ 611 ࠾ǵڱ֣ແҹ 2111 ࠾Ƕ٠җჴᡍҔ૽ግແҹၗ Ǵϩձᒿᐒڗр 61 ࠾ǵ211 ࠾ǵ311 ࠾ǵ411 ࠾ǵ 611 ࠾ǵ911 ࠾ǵ2111 ࠾ǵ3111 ࠾ǵ4111 ࠾ǵ6111 ࠾૽ግޑբǴӧၸ૽ግޑբࡕǴෳ၂җჴ ᡍҔෳ၂ແҹၗύǴᒿᐒࡷᒧрޑෳ၂ၗ Ǵ֖Ԗແҹ 311 ࠾Ϸෳ၂Ҕڱ֣ແҹ 311 ࠾ǴϩձаҁسՉղձπբǶ!! ߄ 2 όӕ૽ግແҹኧΠჹڱ֣ແҹޑղձ! ແ ҹኧ! ૽ግҔ! ڱ ֣ ແ ҹኧ! ૽ግҔ! ڱ ֣ ແ ҹኧ! ෳ၂Ҕ! ڱ֣ແ ҹኧ! ղձ! ղձ! 61! 61! 311! 98! 54/6&! 211! 211! 311! 231! 71/1&! 311! 311! 311! 23:! 75/6&! 411! 411! 311! 251! 81/1&! 611! 611! 311! 265! 88/1&! 911! 911! 311! 282! 96/6&! 2111! 2111! 311! 281! 96/1&! 3111! 3111! 311! 282! 96/6&! 4111! 4111! 311! 28:! 9:/6&! 6111! 6111! 311! 28:! 9:/6&! வ߄ 2 ύǴёаܴᡉ࣮рǴ٬Ҕޑ૽ግҔၗ ཇεਔǴܴᡉёа࣮рղձԖܴᡉޑග ϲǴЀځӧ૽ግҔၗၲډ 911 ࠾ϐࡕǴڱ֣ແ ҹ҅ዴޑղձςၲډΖԋϖѰѓǶӢԜǴа೭ᅿ ᄽᆉݤٰڱ֣ແҹޑղձǴۓाԖىໆޑ૽ ግҔၗໆǴωૈ٬ղձԖܴᡉගϲǶҗ ܭແҹղձᒱᇤݩख़ा܄ᇻεܭڱ֣ແ ҹޑᇤղǴ܌аӆԛෳ၂ҁسჹແҹࢂցё а҅ዴղձрǴჴᡍ่݀ӵΠǺ! ߄ 3 όӕ૽ግແҹኧΠჹແҹޑᇤղ! ແ ҹኧ! ૽ግҔ! ڱ֣ແҹ ኧ! ૽ግҔ! ແ ҹኧ! ෳ၂Ҕ! ڱ֣ແ ҹኧ! ղձр! ᇤ ղ ! 61! 61! 311! 3! 2/1&! 211! 211! 311! 2! 1/6&! 311! 311! 311! 1! 1/1&! 611! 611! 311! 1! 1/1&! 2111! 2111! 311! 1! 1/1&! 3111! 3111! 311! 1! 1/1&! 4111! 4111! 311! 1! 1/1&! 6111! 6111! 311! 1! 1/1&! җ߄ 3 ޑ่࣮݀рǴҁسჹܭແҹޑᇤղ ཱུեǴ߄Ңແҹόᇤղࣁڱ֣ແҹޑݩ൳߈ ࢂؒԖǴջ٬ࢂӧ૽ግޑແҹኧཱུϿޑݩΠǴ߄٩ฅཱུࣁᓬ౦Ƕ! ! 4/3/3 ख़ୖኧፓჹແҹղձϐቹៜ! ࣁᡍ܄ϯޑਏ݀Ǵҁჴᡍीࣁسᆄ૽ ግҔ٬ҔແҹϷڱ֣ແҹӚ 2111 ࠾܌ౢғޑ ૽ግҔແҹၗࣁسᆄ૽ግҔແҹၗ Ƕ೭္௦Ҕ 2111 ࠾ޑচӢǴࢂҗॊޑჴᡍύ ளрǴӧڱ֣ແҹޑղձǴ911 ࠾ϐࡕǴᡏޑ ղձςډၲঁཱུज़ǴࣁᡏسޑॄϷೲࡋ ԵໆǴ೭္ךॺᒧڗҔ 2111 ࠾ٰسᆄ૽ ግޑၗǶӧ٬Ҕޣᆄ૽ግҔແҹБय़Ǵ߾ϩձ а 61 ࠾ǵ211 ࠾ǵ311 ࠾ǵ411 ࠾ǵ611 ࠾ǵ911 ࠾ Ϸ 2111 ࠾ޑၗໆǴӧόӕख़ރݩΠٰჹس ղձπբǴख़ॶᡂϯҗ 12 ϐ໔ᡂϯǴԛቚ у 1/2Ƕ1 ߄Ңֹӄҗس૽ግрٰၗղձǴ 2 ж߄ֹӄҗ٬Ҕޣ૽ግрٰၗղձǴኧॶ ཇεǴ߄Ңа٬Ҕޣᆄ૽ግޑၗࣁЬǶଞჹΎ ঁόӕၗໆჴᡍрޑКၨ߄ǴஒղձКനଯޑ ख़ॶӵ߄ 4 ܌ҢǶ! ߄ 4 όӕ૽ግແҹኧΠǴղձനଯਔޑख़ॶ! 0ڱ֣)ແ ҹ*! ٬Ҕޣ૽ግҔ! ڱ֣ແҹኧ! ղձ! ղձ! ղձ! നଯޑ ख़ॶ! 61061! 275! 93/1&! 1! 2110211! 268! 89/6&! 1/2! 3110311! 274! 92/6&! 1/2! 4110411! 281! 96/1&! 1/4! 6110611! 29:! :5/6&! 1/8! 9110911! 2:4! :7/6&! 1/:! 211102111! 2:8! :9/6&! 2! җ߄ 4 ޑ่݀ǴᡉҢрӧόӕ૽ግແҹኧǴӧղձ നଯޑख़ॶǴᒿ٬Ҕޣᆄ૽ግແҹኧޑቚ уǴԶኧॶᅌᅌҗ 1 ۳ 2 ቚуᡂϯǴ٩ྣ߄ 4 ޑ ᡂϯǴҁسޑख़ϩଛচ߾ӵ߄ 5 ܌Ң! ! ! ! ! ߄ 5 سख़ϩଛ߄! ૽ግແҹኧҞ! ख़ॶ! 211 ࠾аΠ! 1! 211ɴ311! 1/2! 311ɴ411! 1/4! 411ɴ611! 1/7! 611ɴ811! 1/9! 811ɴ911! 1/:! 911ɴ2111! 2! аԜБԄٰϩଛख़Ǵӧ٬Ҕޣᆄۘ҂ԖҺՖϩଛ ӳޑແҹ૽ግޑၗǴղձԿϿऊёᆢΖ ԋаǴޔډ٬Ҕޣᆄၲډ 2111 ࠾ϐࡕǴس߾ ࡌёаֹӄҗ٬Ҕޣ૽ግޑၗٰڱ֣ແҹ ղձޑၗǴа೭ᅿ่ӝ՛ܺᏔᆄϷ࠼ЊᆄޑБ Ԅၲډ܄ϯޑҞޑǶ! 4/3/4 ᆶԾҗ೬ᡏڱ֣ແҹၸᘠᏔϐКၨ! ך ॺ ஒ Ծ җ ೬ ᡏ ύ ௦ Ҕ પ ՛ ܺ Ꮤ ᆄ ೬ ᡏ Tqbnbttbttjo\29^Ϸપ٬Ҕޣᆄ೬ᡏ QPQGjmf\26^ ᆶҁسٰКၨǶࣁКၨΟঁڱ֣ແҹၸᘠᏔޑ ղձਏ݀Ǵӧҁჴᡍύ௦ҔΑΒύޑჴᡍҔ ෳ၂ແҹၗǴவύᒿᐒࡷᒧ 311 ࠾ແҹǴϩձ җΟᅿڱ֣ແҹၸᘠᏔٰղձπբǴӢࣁ೭Οᅿ ڱ֣ແҹၸᘠᏔԖ٬ҔنМᐒϦԄٰղձڱ ֣ແҹǴӢࣁӃϩձ૽ግ 2111 ࠾ࡕǴӆ໒ۈՉ ղձǶղձ่݀ӵ߄ 6 ܌ҢǶ! ߄ 6 ڱ֣ແҹၸᘠᏔၸᘠਏ݀Кၨ߄! ೬ᡏӜᆀ! ܄፦! ڱ֣ແ ҹኧ! ෳ၂Ҕ! ڱ֣ແ ҹኧ! ղձ! ղ ձ ! Tqbnbttbttjo! ՛ ܺ Ꮤᆄ! 311! 293! :2&! QPQGjmf! ࠼ Њ ᆄ! 311! 271! 91&! ܄ϯԾ! ڱ֣ແҹၸᘠ Ꮤ! ՛ ܺ Ꮤ Ϸ ࠼ Њ ᆄ! ӝٳ! 311! 283! 97&!
! җ߄ 6 ё࣮рǴղձਏ݀ന٫ޑࢂ Tqbnbttbttjo ڱ֣ແҹၸᘠᏔǴϩޑচӢǴനЬाচӢࢂӢࣁ tqbnbttbttjo ᗨচҁѝ௦Ҕೕ߾ϩኧीᆉݤޑБ ԄٰղձǴՠࢂന߈سύςуΕنМϦԄٰቚ уղձǴନԜϐѦǴԜسᗋԖуӭᅿղձ БݤǴٯӵ sb{ps Ϸ qz{ps ޑϩණԄӜൂແҹၸ ᘠБԄǾ/Ƕӧڱ֣ແҹၸᘠᏔޑࡌϷೀ Ǵس௦ҔཇӭၸᘠБݤٰӝٳޑၸᘠղձ ਔǴղձਏ݀ஒཇ٫Ƕՠ࣬ჹӦ٬سޑॄ πբໆуεǴफ़եঁ՛ܺᏔޑਏૈǶ! !
5 ่ፕ!
ҁسύڱ֣ແҹޑղձೀǴЬाࢂаنМ ᐒϦԄࣁБԄٰౢғແҹၸᘠޑೕ߾ǶՠࢂنМ ᐒϦԄࣁ୷ᘵޑڱ֣ແҹၸᘠسǴӧલЮى ڱ֣ແҹޑ૽ግໆਔǴԖڱ֣ແҹղձեޑલ ᗺǶӧسύЇख़ޑᢀۺࡕǴ٠่ӝǵқӜ ൂޑᐒڋǴёаׯ๓ԜલᗺǶس٩ྣख़ϩଛ ޑБݤǴଛӝسᆄႣޑၗǴٰၲډҺՖޑ ਔ໔Ǵ٬ҔޣёаԖόᒱޑڱ֣ແҹղձǴ٠ Ъёаᒿڱ֣ແҹޑԋߏǴᒿਔፓख़ޑК ϷঁΓڱ֣ແҹޑۓကǴၲډၨ٫ঁΓϯޑڱ֣ແ ҹၸᘠᏔǴ٠ЪԖཱུ٫ޑڱ֣ແҹၸᘠਏ݀Ƕ! ӧسύाၲډ׳Ԗਏޑڱ֣ແҹၸᘠǴ٬Ҕ ޣѸჹঁΓڱ֣ແҹϩᜪೀǶԜѦǴҁس ύۘ҂่ӝ Xfc ແҹسޑ٬ҔǴऩૈϷԐ໒วр ٰǴҁسஒё׳уჴҔǶӆޣǴҞ୯ሞ໔ςද ၹ௦Ҕ VUG ጓዸǴӢԜ҂ٰҁسሡाቚу VUG ጓ ዸೀǴωૈ׳಄ӝਔжޑሡǶ! !ୖԵЎ!
[1] Official SPAM Home Page, http://www.spam.com [2] David Mertz, ”Spam filtering techniques”,
http://www-106.ibm.com/developerworks/linux/libr ary/l-spamf.html, September 2002.
[3] Paul Graham,“A Plan For
Spam”,http://www.paulgraham.com/spam.html, August 2002.
[4] Tagged Message Delivery Agent, http://tmda.net/ [5] Anon Distributed Checksum Clearinghouse,
http://www.rhyolite.com/anti-spam/dcc/dcc-tree/dcc .html, April 2001.
[6] Vipul’s Razor, http://razor.sourceforge.net/ [7] Pyzor, http://pyzor.sourceforge.net/
[8]Wilson, Ralph F. “20 ways opt-in e-mailers can outsmart spam filters” ,
http://www.wilsonweb.com/wmt8/spamfilter_avoid ance.htm,December 2002.
[9] The Apache SpamAssassin Project, http://spamassassin.apache.org/
[10] Graham, Paul,”Better Bayesian Filtering”, http://paulgraham.com/better.html January 2003. [11] N. Freed, “Multipurpose Internet Mail Extensions
Part One:Format of Internet Message Bodies”, RFC 2045,November 1996.
[12] John Graham-Cumming, The Spammers'
Compendium, http://www.jgc.org/tsc/ , April , 2005. [13] Bayes' theorem,
http://www.absoluteastronomy.com/encyclopedia/B/ Ba/Bayes_theorem.htm
[14] Introduction to Bayesian Filtering,
http://www.process.com/precisemail/bayesian_filter ing.htm
[15] POPFile, Automatic Email Classification, http://popfile.sourceforge.net/
[16] Welcome to procmail.org, http://www.procmail.org/ [17] Donate Your Spam to Science,
http://www.spamarchive.org/
[18] Welcome to Open WebMail Project http://openwebmail.org/
[19]Spamssassin Public Corpus,
http://spamassassin.apache.org/publiccorpus/