掛誹彸芞蔚婓 Linux 奻妏蚚笢恅褫夔婈郣腔嬪麵ㄛ酕珨籵攫腔鏡扴﹝森絞斕郣善恀枙奀ㄛ褫夔掀誕眢梑堤壽瑩垀婓﹝妗涴爵鏡扴腔嬪麵珩祥躺躺堤珋婓 Linux 奻ㄛ勍嗣珩肮奀堤珋婓坳炵苀ㄛ朼祫淕跺萇齟妏蚚遠噫奻﹝ 彆斕羶衄倓麼淩腔竭翍摹腔趕ㄛ憩眻諉泐善 珆尨摯怀笢恅 饒誹勘!
扂蠅眭耋笢恅趼婓萇齟奻岆蚕謗跺弇啋郪(two bytes)垀晤鎢郪傖腔﹝郔都獗腔晤鎢源宒衄怢俜華垀籵俴腔 gb2312 晤鎢ㄛ摯湮翻華垀妏蚚腔 GB 晤鎢﹝ 奧羲芛腔弇啋郪撓綱飲岆湮衾 128 腔杅硉ㄛ珩憩岆垀彖 non-ASCII 鎢腔毓峓(ASCII 岆硌苤衾 128 腔晤鎢)﹝
疑腔! 饒衱崋繫欴儸? 恀枙憩婓涴! 勍嗣最宒蚕衾跪宒跪欴腔埻秪ㄛ甜帤蕉藉善怀腔訧蹋褫夔岆 non-ASCII 鎢腔恀枙﹝ 坳厘厘樑扢賸坳垀猁揭燴腔訧蹋飲岆 ASCII 鎢ㄛ載媎詹腔岆ㄛ絞坳郣善 non-ASCII 鎢奀ㄛ都都樑扢坳祥湔婓ㄛ奧蔚坳腔菴匐跺弇啋諍! 涴岆垀彖腔 8-bit clean 恀枙﹝
瞰ㄛ斕腔
telnet 最宒軞岆峈斕怀腔飲岆弇啋腔 ASCII 鎢﹝絞斕怀笢恅奀ㄛ藩藩蔚菴匐弇啋興裁ㄛ垀眕飲曹傖觴鎢﹝
厙繚奻腔籵捅最宒珩都都硐夔換怀弇啋腔訧蹋﹝誕婌腔 sendmail 最宒憩岆填靡桻桼腔瞰赽﹝
sendmail 硐夔諉冞漪弇啋腔陓璃ㄛ絳祡扂蠅婓換冞笢恅陓璃奀ㄛ斛剕粒蚚跪宒跪欴墅腔
晤鎢跡宒 ( uuencode, base64, QP 脹)ㄛ涴厘厘衱峈彶陓氪湍懂竭湮腔嬪!
(扂都婓砑彆絞場萇赽蚘璃腔斐婖氪夔嗣珨萸萸腔堈獗ㄛ扂蠅踏毞憩頗屾勍嗣腔恀枙!)
婓厙繚奻涴跺恀枙珆腕載峈葩娸﹝撈妏斕睿斕腔彶陓腔儂飲眒冪假蚾賸褫眕揭燴笢恅陓璃腔 sendmail 最宒ㄛ勤源衄褫夔彶善觴鎢陓璃﹝
秪峈涴猾陓婓善湛勤源忒笢褫夔冪徹疑嗣窒翋儂ㄛ彆笢珨窒儂腔 sendmail 蔚菴匐弇啋諍ㄛ岈憩俇賸!
勤衾 client/server 殤凳腔最宒ㄛ恀枙褫夔堤婓 client 傷ㄛ珩褫夔岆婓 server 傷ㄛ麼岆邧源飲衄﹝
壺賸拸楊揭燴 non-ASCII 鎢訧蹋腔恀枙眳俋ㄛ茼蚚最宒拸楊望妎笢恅晤鎢珩岆珨湮恀枙﹝ 珩憩岆ㄛ竭嗣最宒(撈妏夔淏揭燴匐弇啋腔訧蹋)飲蔚珨跺笢恅趼弝峈謗跺黃蕾腔弇啋郪﹝涴婓勍嗣錶狟祥頗衄妦繫祥疑ㄛ筍婓議虳部磁狟憩珆腕竭媎!
郔珆腔瞰赽ㄛ撈妏斕夔淏腔怀笢恅ㄛ褫岆絞斕偌狟給豖瑩(backspace)奀ㄛ厘厘硐給綴賸珨跺弇啋郪奧蔚珨跺疑疑腔笢恅趼諍傖謗圉ㄛ呁狟腔饒圉絞憩傖賸觴鎢﹝ 遜衄ㄛ恅抎晤憮褫夔婓珨跺笢恅趼笢潔遙俴奧絳祡堤珋觴鎢ㄛ麼岆蔚珨俴竭酗腔笢恅曆赽絞釬珨跺竭酗腔荎恅趼譫奧祥遙俴ㄛ妏腕賒醱曹腕竭麵艘﹝
遜衄載媎腔! 議虳笢恅趼垀漪腔杻忷囀鎢勤議虳茼蚚最宒撿衄杻梗腔砩砱ㄛ涴絳祡最宒郣善涴虳囀鎢奀蔚莉汜旆笭腔渣昫ㄛ麼岆絞裁﹝
狟醱蔚彸翍峈涴虳恀枙枑堤珨虳賤樵眳耋ㄛ筍岆涴岆醱腔ㄛ祥俇腔ㄛ奧祥夔鍔雛砩﹝ 珩勍硐衄絞垀衄腔极飲夔峈笢恅講旯湖婖奀恀枙符褫夔淩淏腔賤樵﹝
趕呥森ㄛ郛懂郛嗣腔最宒婓扢數奻眒冪蛁砩善弊暱趙腔恀枙ㄛ瞰珋婓湮窒煦翋儂腔
sendmail 最宒飲眒冪夔淏揭燴 8-bit 腔陓璃 --- 秪峈祥躺躺岆換怀笢恅陓璃剒猁 8-bit, 珋婓竭嗣腔嗣羸极蚘璃珩飲剒猁蚚 8-bit 換冞﹝
竭嗣极 眒冪俇祥剒党蜊ㄛ麼氪硐猁羲珨虳杻忷腔恁砐ㄛ憩夔妏蚚笢恅﹝
肮奀珩衄郛懂郛嗣淏婓峈极腔笢恅趙奧贗薯﹝扂蠅岋醴眕渾﹝