*******************************¼********************************
* 2019-03-21 V18.70.02 ȺŻ֪⡣

* 2019-03-20 V8.10.02 ַʦŻʽ㷨

* 2019-03-12 V5.0.0.2 ׵ͼݲɼʦ1.²ɼ㷨޸ĳЩؼʲɼݵ⡣ 2.ȫUI棬ȫ顣

* 2019-02-19 V1.2.8 ȫܴݲɼŻ֪⣬Żɼ㷨

* 2018-08-30 V18.70.00 ȺĳЩϵͳ֤IP⡣

* 2017-10-08 V18.62.00 ȺIP߸httpsЭȡ⡣

* 2017-10-08 V4.0.1 ׵ͼݲɼʦߵ¡360ٶȡѹѶͼһܸǿ

* 2017-08-01 V18.50.50 ȺתͼƬʽʱͼƬȲȷ⡣

* 2017-05-21 V18.50.00 Ⱥ1.(SMTP)"ʹ""ɹ""ʧܸ"¼2.ӹܵ췢ŵ޺󣬵ڶ췢ʱԼѷͷҪֹ3.ӶʱŹܡ4.ӱSMTPϵ㣬ʱӶϵSMTP

* 2016-10-09 V18.00.10 Ⱥ1.privateemail.comSSLܷʼ⡣

* 2016-05-14 V18.00.00 Ⱥ1.޸˺֤ʽһ޴λԣͬʱһ˺ֻһ̨С2.޸ĳЩ֪Bug

* 2016-01-03 V3.1 ƶʼӪ׷׿ֻpadʼȺӭá

* 2016-01-01 V17.20.00 Ⱥ޸ѷֵһЩСBug,ͬʱŻ༭ʼ˳ʾ

* 2015-10-18 V17.00.00 Ⱥ1.ȫƽ̨±ȫWin10ͬʱ˶Ż2.ӷҳʱGifɲѡ3.ͼһڷϵͳ²Ҫ˵лͲ롣

* 2015-08-09 V16.10.00 ȺWindows 10ܱ༭ʼ⡣

* 2015-05-18 V16.00.00 ȺԶ"3-˳ֵ"͡

* 2015-02-08 V15.85.00 Ⱥ1.ĽԤԤֻԤѡеʼݣǰѡ񣩡

* 2014-09-21 V15.80.00 Ⱥ1.ʼдʱĳЩ²ͼƬ⡣2.ʼдʱԴҳ²ܱݵ⡣3.ĳЩʼͷظظֵ⡣

* 2014-05-15 V15.50.00 Ⱥhotmailqq.comΪ⡣

* 2014-04-27 V15.10.00 ߼ ->Proxy(IP)->߼ ҳѡ¼Proxy¼ProxyIPΡ 

* 2014-03-15 V15.00.00 1.޸ĴͼƬhotmail⡣2.һЩϵĸĽ

* 2014-03-02 V14.70.00 1.޸Ϊ޸ĺϱ档2.桢ʼͷÿζá

* 2013-11-10 V14.58.00 9ϵͳοбͬʱӱıע˵

* 2013-08-05 V14.50.00 1.5ֳͷʽ2.ͼƬ֧pngʽ

* 2013-04-27 V14.00.00 1.64λϵͳµʾ⣬ʾ2.ΪUTF-8ҳʱܼӸ⡣

* 2013-04-01 V13.50.00 ߼޸ʼͷFromвЧ⡣

* 2013-03-13 V13.20.00 1.Ӹ2.13.00.00ʹͼƬʽʱʾȫ⡣

* 2013-02-17 V13.00.05 Ľҳʼ㷨

* 2013-01-03 V13.00.00 1.ʼݱ༭"ֽ"ܡ2.ʼӵҳ(ʼ༭Ĳ˵)ܡ3.϶Ϊһл½ǲ˵""С4.ĽUTF-8,ɷ塢ԽġġձС֡5.Ľʼ㷨׽䡣

* 2012-08-12 V12.15.05 ųʼַܡ->->߼->ųʼַļ

* 2012-05-06 V12.00.00 ߼ʼַ֤ܣ֤ٷţ˰޴˹ܡ߼ӹܲӼۣһ൱(һʼȺ + һʼַ֤)

* 2011-12-18 V11.20.00 עĽ֤˺ŵ㷨

* 2011-11-20 V11.10.00 ӹܣ--ÿxָ䷢һʼ

* 2011-09-30 V11.00.06 Ľ ʼ->ҳţбͼƬʱÿ x ͼƬԶΪ㷨

* 2011-08-21 V11.00.00 1.ȥsmtpеĻظúͷ(ڲ->߼ü)2.ʼ˶ͳƹܡ

* 2011-05-01 V10.95.00 htmlʽʱÿX⣬ͼƬԶѡ

* 2011-03-07 V10.80.00 emlļ⡣

* 2011-02-21 V10.60.00 Żʼ㷨ռCPU١

* 2010-11-21 V10.00.00 1.ʼдܣҪҳ(html)֪ʶܿٱдƯҳ(html)ٷ㡣2.֧ҳǶ뱾ͼƬţҪǰͼƬҪoutlookдõ뷢š3.򻯡ʼͷеá4.ʱӲԹ--ߡ͡ӡ 5.ԶʼͷʱԷĹܡ

* 2010-11-08 V9.50.00 1.֧gmailhotmailΪ䷢ţע⣺hotmail˺ǡַҪΪsmtp.live.comsmtp.hotmail.com

* 2010-10-05 V9.00.00 1.ͼƬŹʼͷʼԴ; 2.->ͨʽħ书ܣԶš

* 2010-07-23 V8.80.00 1.á->߼->ʱӰʱ䡱򡰰ŸʱŹܡ2.ʼͷ->ʼԴӡĬϡ͡աܡ

* 2010-06-27 V8.80.00 ޸ġá->ӳʱѡ⡣

* 2010-02-02 V8.70.00 163.com䣬ļ⡣

* 2009-12-25 V8.60.00 ܣʼ->ַUTF-8֧֡

* 2009-10-18 V8.50.10 ӹܣ1.ͼƬʽ: "8-PDFļ(*.pdf)Ϊ""9-ѹļ(*.zip)Ϊ"  2.""Զ壬ԶʱȻҪWindowsļʽ

* 2009-10-05 V8.00.00 ޸Ϊ֤Ȩʽ 

* 2008-04-13 V7.50.00 ƹܣ1.ĳЩ(188.comvip163ȵ)ΪsmtpOutlookʼ⣬߷ųɹʡ

* 2008-03-30 V7.30.50 ƹܣ1.ʼַʽĵֱַΪʧܣȥͼ͡

* 2008-03-23 V7.00.00 ƹܣ1.ֱӷʱһdnsȷٵö...(ǰһɹʧ); 2.߼Ĭʼ(Foxmailͨʼͷ)

* 2008-03-09 V6.90.90 ƹܣ1.򻯽 2.ʱŹӶߺõȴʱٲš

* 2008-02-18 V6.50.25 ƹܣ1.smtp()͵, http://www.168318.com/bbs/ShowPost.asp?ThreadID=422   2.ע֧һ̨ͬʱܹ3. ׷ӴProxy⡣ 4.һŻ档

* 2008-01-27 V5.00.000 ƹܣ1.м̷ҲHeloName䣬HeloNameΪգûΪHeloNameϵͳĬϵģ̶˺ױΪʼ2.ͼƬܷʱӷ⡰ÿXͼƬͼƬܷϵͳԴЧʡ

* 2007-12-24 V4.00.800 ӹܣ1.֧gmailΪsmtp, gmailʹSSL,ʹgmailʱʹProxyţ2.SMTPʹIPӡûѡSMTP͡ûѡProxy3.͸һѡļ̶䡣

* 2007-07-09 V3.00.505 ӹܣ1.ȡȷ䣻2.ԶתΪͼƬ򸽼ţͼƬ䣬ݵĹˣ3.ͬʱhtmlʱȷʾhtmlʽ⡣

* 2007-06-18 V2.25.230 ͬʱ÷Χʱܵݻض⣬ͬʱ%RAN_LC_CHARһַ%RAN_LC_CHAR[4-6]Χܻᵼ%RAN_LC_CHARݽضϡ

* 2007-04-16 V2.22.290 ʱŲѡѲ, ʵ޸һЩ˵

* 2007-03-26 V2.18.270 ޸ļ㷨, ͬʱּ֧ܹ

* 2007-01-16 V2.13.230 ޸ķ㷨Դʡ

* 2006-12-16 V2.00.201 һЩĬֵ緢˷ַ...

* 2006-09-18 V1.70.190 1.DNS MX¼ֱӷʱ鵽Ľշ´ηʱٲѯMX,Żֱӷ͡2.ӡȡDNSť

* 2006-09-11 V1.70.186 1.proxysmtpӡ׷ӡ͡ա2.smtpӶʱ붨ʱ¹ܡ3.ͬʱöʼͷܡ3.Proxy͵Ĺܡ

* 2006-09-04 V1.70.185 1.޸ֱӷ㷨Чʴߡ2.ProxyPortproxyΪAUTOʱͬʱsocks5,socks4,socks4a,http͡3.ֱӷʱ HeloNameԶ壬Ϊգȡmail. +  ʼַ

* 2006-08-31 V1.70.183 1.޸߸proxyܣʹʼʱҲܸ£ͬʱɰѸºõĴ浽ָļС2.ºͼproxyʱõĴڵIPΡ

* 2006-08-28 V1.69.182 1.Ż̹߳(400)ʱϵͳҪԴ

* 2006-08-13 V1.69.179 1.ֱӷֳ֧͡2.޸ĵsmtpû㷨3.߸´ӴͿѡܡ

* 2006-08-13 V1.69.178 1.мsmtp֧мߵ´ĸʽ2.ԡRAN_ͷĳ%RAN_DATE_TIME֧ɵã%RAN_CHAR[5-20], ʾ5-20ַ֮DMһ

* 2006-08-12 V1.69.177 1. Ʊ, ±%BOUNDARY%PROXY%CURRENT_DATE_TIME%RAN_DATE_TIME(ʼʽʱ)%CONTENT_TYPE%CONTENT_ENCODING%CHAR_SET%MESSAGE_BODY%PRIORITY_NUMBER%PRIORITY_STRING%X_MAILERЩDMһ; 2.ע%RND_NUMBERѸΪ%RAN_NUMBERõĵطҪĹ 

* 2006-08-10 V1.69.176Զʼͷ, ַ֧, Ԥܡ

* 2006-07-15 V1.69.175һ߳͵

* 2006-05-09 V1.69.162ư˵̳(www.168318.com)ܡ

* 2006-05-06 V1.68.160һĽм֤㷨

* 2006-05-06 V1.68.158ʱϵӦ⣻мSMTPProxyȡʱ㷨ѡ(ȡ˳ȡ)˳ȡʺϳ(10)SMTPProxyͣллameillĽͲ䷳Ĳԣٴлл

* 2006-04-20 V1.61.146@мSMTPûʱȥ@ַBug;ProxyFinder.hlpʽ

* 2006-04-19 V1.60.145̹ܣرմڲ˳ں̨У˳ϵͳĻ½Ҽ˵˳; Ľм̳ʱֻ; ĴΪġ 

* 2006-04-17 V1.55.139Ľϵ㱣㷨ԭÿ5ӱһθΪ1ӱһΣӽѡܡ 

* 2006-04-14 V1.53.130Ӽ淢ʧʼַͷͳɹʼַܣֻҪڲáŽ͡Ž·ɣڴȺʱ߷ܡ

* 2006-04-13 V1.50 Build 128޸м̷ʱʼַϵͳԶȡмõķʼ;޸ļProxyFinder

* 2006-04-07 V1.45ʱظʼBug, ϵͳ,ƷẒ́ưĵʼȺʼ̳http://haitian.myrice.com/MailBBS.htm޸ʼͷܡ

* 2006-04-02 V1.38¼мSMTPʱ޸ĵ¼û⣬һưĵһŻŹ̡

* 2006-03-25 V1.36V1.35мsmtpܷ͵Bugͬʱмsmtp˷ˣʱȡеķˡ

* 2006-03-19 V1.35  
  1.Ӱ͹ܣֻм̷, ӷٶȣ2.޸Ĳܷ͸Bug; 3.smtp: ӵ뵼ܡ֤; 4.ʼݡ⡢ַͬʱöʱȡ֮һ; 5.ӱܣʹϵͳĬϱ⻹ԶʹñĿҲΪǿͳɹʣв%RAN_UC_CHAR, ʱϵͳʱȡA-Zȡһ滻Ǳ˵
  --------------------------------
  %RAN_NUMBER[0-100]: õΧȡһ%RAN_NUMBER[10-10000],ʱ10-10000ȡһ滻
  %RAN_DIGIT: 0-9ȡһ滻
  %RAN_UC_CHAR: A-Zȡһ滻
  %RAN_LC_CHAR: a-zȡһ滻
  %RAN_CHAR: a-z,A-Z,0-9ȡһ滻
  %RAN_WORD: õֵȡһ滻עʹøñǰҪȶֵԻسзָ
  %REC_NAME: ʼյˣΪʼַ@ǰ֡
  %REC_ADDRESS: ʼʼַ
  %FROM_EMAIL: ʼַ
  %FROM_NAME: ơ
  %SUBJECT: ⡣
  %TO_CC: ʹóʱ͵ʼַ
  %CUR_TIME: ǰϵͳʱ䡣
  %CUR_DATE: ǰϵͳڡ
  %CUSTOM_IP: IPַϵͳɾ
  //Ҫİ뵽̳www.168318.com
  --------------------------------

* 2006-02-26 V1.20  
  ֶ֧smtp, ޸ڴBug,ֶ֧ProxyͬʱͣʱԶProxy


//======================================================================










*******************************ʹð********************************


1.:ʹøǰ""ҳ:
    
    dԽãҪʵ
    ͳʱʱ䣬иóЩʱ䣬120ʱͲɹܾΪͳʱҪʵ
    ͼʱ䣺Щʼ͵Ƶ̫ߣʵá

    DNS:ʹĬϵģҲԵ롣
    мSMTPӡSMTP, ܶ࣬Ե룬ڷʱʹôSmtp, Ϊܶsmtpзƣÿֻܷһʼ


2.ʼݣԵÿѡȡһͣΪܶʼ˹ܺǿ͵ݲ䣬׼⵽Ϊʼֱءͬʼ⡢ַҲöڷʱȡ֮һĿǿŵĳɹʣ




3.ͽϢǷͲɹʱϸϢοϢ,
    У ԡ** SMTPSend - ͷıʾʱϢ
           ԡ** Connect -ͷıʾӶԷʼʱĳϢ
    (ע⣺ֻС١ϹܿϢ)

//======================================================================












*****************ʼ[ת]******************************

СQ⣬A  
Q:the server says:550 relaying mail to <> is not allowed  
Q:The server says:550 <>... relaying denied  
Q:the server says:550 5.7.1 relaying not permitted:  
A:ʹĳЩSmtpʱռ˵ĵַֻܻһSmtp  
Q:The server says:550 <>:local user only  
Q:The server says:550 <>:Invalid User  
Q:The server says:550 Invalid recipient  
A:ʹ163.net163.comyeah.netnetease.com֮Smtpʱֻ䷢ţҪOutlook ExpressġʻԡеġϢдȷʼַ  

Q:the server says:551 delivery not allowed to non-local recipient  
Q:The server says:553 Relay restriction.  
Q:The server says:553 From <>, message blocked.  
Q:The server says:553 sorry,you are not allow to use this SMTP to relay your eami  
Q:The server says:553 sorry, that domain isn't in my list of allowed rcpthosts  
A:ʹ21cn.comchina.com371.netsina.comȴsmtpʱֻ䷢ţҪOutlook ExpressġʻԡеġϢдȷʼַ  

Q:The server says:505 client was not authenticated  
Q:The server says:553 authentication is required to send mail as <>  
A:ʹ263.netsohu.comSmtpʱҪ䷢ţҪ֤ԼҪڡϢдȷַҪѡСSMTPҪ֤  

Q:The server says:535 Error:authenticatin failed  
Q:The server says:535 Authentication unsuccessful  
Q:The server says:452 Insufficient system storage  
A:ʹEsmtp֤ĹгһEsmtpãԼΡ  

Q:The server says:553 <>...domain name required  
Q:The server says:550 Unable to relay for ...  
A:WingateʼʱȻWingateСPOP3 ʺšҪʹáû#POP3ַĸʽڡʻԡеġϢлҪдһĸʽ  

Q:The server says:553 mailbox name not allowed  
A:ռַռ˵ַǷȷ  

Q:the server says:553 sorry, your envelop sender is in my badmailfrom list  
A:ռ˵ĵַֻܻһsmtpš  

Q:the server says:554 Transaction failed  
Q:The server says:451 Requested action aborted,errno=28  
A:ʧܣ⡣  

Q:the server says:503 error:needmail command  
Q:The server says:503 need mail before RCPT.  
Q:The server says:503 Bad sequence of commands  
A:Ϣ˳һ֮ȼ֮ǰֵĴʾ  

Q:The Server says:501 syntax.helo hostname  
Q:The server says:501 Invalid domain name  
Q:The server says:502 unimplemented command  
Q:the server says:503 5.0.0 polite people say HELO first  
Q:The server says:533 relay restriction  
Q:The server says:544 <>:Recipient address rejected: Relay access denied  
A:е﷨ԭ


ʼȺ֪ʶ

дȺʼ⼰ݣ
ȺʼʱһҪעʼʼݵִдܶվʼΪʼ˳ִʹˣʼʼа磺Ǯִʣ˵ʼʹʼܷͳɹдʼʱӦܿĿΪִɵֺʹ˳Ⱥʼ


ѡʹDNSSMTPַ
ʹSMTPȺһȺʼʱȷDNS ơʹõSMTPȺʼʱȷSMTPơ򽫲ʼ 
ڸDNSSMTPܲһٶҲв죬ȺǰɶԼDNSSMTP˽SMTPٶȼ⣬ѡٶȿDNSSMTPӿȺٶȡ

ȺеCC/BCCʲô
ȺеBCC/CCܣȺһʼʱɸʼֵԽȺٶȽֵɱӡBCC Ϊ5Ⱥʱ6ʼΪһ飬ÿһʼʱӴ5 ʼȥȺٶȽǲʱ5
ֵǰԴ̽⣨SMTPˣ21cn.comBCCֵΪ100ynmail.comBCCֵΪ16ڲ֪BCC ֵʱһѡ10Ϊˡ
ѡBCC ʱҲһ׶ˣÿһĵһʼʧܣӴ͵ʼҲܷͳȥ

ʲôȺ̣߳
Ⱥеķָ߳ͬʱɲʼ⣺߳Ϊ100ʱ൱100 ̨ͬʱʼ߳Խ󣬷ٶȿ϶Խ졣
ȻܶȺǧ̣߳ʹʱã󣬳ݴԽʾ 
һ£56K һ㲻ܳ20̣߳ISDNܳ50̣߳ASDLݷΪ100 ķ̡߳
ȻҪ϶̷߳ʼĵûߣҪ100 ϵķ߳ʱӦΪP2ϡ
ҲäĿӴ̣߳еķͬһʱͬһIP̷ַ߳涨߳ʹӵ˷ҲӦȻҲᷢͳʼ


ΪȺʱмҪͣһʱٷͣ
ȺУ͵мҪͣ뵽ʮģΪһʼһν̫ʼܾٽʼʱҪ͵ڶĸٴνӷͣʵ߳ٵȴʱ䡣 һַʧԭĽ
ʾʧԭ:ο - See http://pobox.com/~djb/docs/smtplf.html
ŵݲҪһк֣ܳʵļһЩسС

ʾ501ʲô˼
501 Invalid domain name
Socket Error # 10060
Socket Error # 10061
Чʼַ

ȺʼַһЩСɣ3
һʼʾʧԭ:Function GetNetworkParams is not supported by the operating system
IPַĳЩʼ£羭ADSLȺʼIPᱻĳЩʼΪADSLǹ̶IPַģǿɲòȺͿɽ⣬ΪòIPַǶ̬

Ⱥʱ跢
ĳЩܿԣ󲿷ǲеģҪʼķõġ

һַʧԭĽ
Ⱥʱʾʧܣʧԭ:You are among our banning list!
You are among our banning list! ˼ǣǵĽֹбС
ԭĿУ
1ķ˱ֹڵĵʼԣ
2ʼб÷˵ۣȥҶΪʼ

ʹȺ̡߳
Ⱥʱʾʼʹ Connection Closed Gracefully. ʹ SMTP 
Connection Closed Gracefully˼ӵûӦԭǣͬһʱֻһIPַ15̵߳ķʣ15̣ܾ߳ͲٻӦشϢͻˡֹͣȺһʱȺͲ⡣

ȺʼһЩСɣ2
޷yahoo.com.cnʼʼַʵڵ
ʧܣԭ:553 Mail to/from `1112 not allowed -
ʧܣԭ:501 Syntax error in parameters or arguments
ʼʱڷдemailַĳЩҪyahoo.com.cn


ʧܣԭ:Socket Error # 10060
ʾʧܣԭocket Error # 10060ν
ٷ߳50ھͿ͡

IPû̫ʼ 
ܣڲ 
һʱĳЩʼһƻᱻʱ 163.net ʼЩûʹõĹ̶ IP ַȲö̬ IP ַģĿǰ֪ûб

һʼͲٷˣ
һʼͲٷˣʼַ־ʵġ 
ںܶʼ˷ʼͬһIPַʼʼһ󣬷ٽգIPαװ任ʹüSMTPţΪʼЭ©

ʧܣԭ:553 ʲô˼
InternetʹõĿǹ̶IPַֻڡáаûַĳһЧĵʼַ(Լ죬abc@aol.com)ʹһʱ󻹻ִ⣬ٸĵַѭ

ʧܣԭ:555 ʲô˼
ԷʼʱĴ

ʧܣԭ:552 ʲô˼
ݾܾ͵ʼбԷܾϢǲд̫һ㻯ʼ

Socket Error # 10060 Connʲô˼
̫δͨţ߳ ʲôDNSд
DNS  ϰ߼以ֻIPַIPַ֮һһӦģ֮תΪҪרŵɣ DNS 
DNSںܶȺеѰҽʼķĻֱ Internet ģܶȺԶѰңʹǣһҲ˼ DNS ԲԴκáʹõǲԶѰҶҲûиDNSַȺ򵱵Internetṩѯʡ


DNSüɡ
Ⱥʱʾ磺xxxxx@xxxxx.com ʧܣԭ:Received Packet is too small. Less than 4 bytes 28 һ㶼DNSòȷԿȺ˵ȷ÷
ѡߡ˵µġDNSáڵĶԻڵԶⰴť(ĵԱֱӵInternet)ɣDOSģʽ롰ipconfig/allwinipcfgӷϢвDNSIPַ롣
ԭDNSӦɾֻǱõġԶ󣬱DNSӦԶ202.96.209.5DNS202.96.209.133Ҳӽȥ
ĳЩʼͲɹǵʼַõڷϻر
羭úȻȺҲķ̫߳ˣĴ߳һЩ칻߳ԶЩ1020߳̿͡


Ⱥʧܵķ루룩
500 Syntax error, command unrecognized
[This may include errors such as command line too long]
501 Syntax error in parameters or arguments
502 Command not implemented
503 Bad sequence of commands
504 Command parameter not implemented
211 System status, or system help reply
214 Help message
[Information on how to use the receiver or the meaning of a
particular non-standard command; this reply is useful only to the human user]
220 <domain> Service ready
221 <domain> Service closing transmission channel
421 <domain> Service not available, closing transmission channel
[This may be a reply to any command if the service knows it must shut down]
250 Requested mail action okay, completed
251 User not local; will forward to <forward-path>
450 Requested mail action not taken: mailbox unavailable
[E.g., mailbox busy]
550 Requested action not taken: mailbox unavailable
[E.g., mailbox not found, no access]
451 Requested action aborted: error in processing
551 User not local; please try <forward-path>
452 Requested action not taken: insufficient system storage
552 Requested mail action aborted: exceeded storage allocation
553 Requested action not taken: mailbox name not allowed
[E.g., mailbox syntax incorrect]
354 Start mail input; end with <CRLF>.<CRLF>
554 Transaction failed

ʼַʵģֲյļֿܣ
1ʼæ
2緱æɽܳʱ
3ЧûȨ
4DNSЧòԷķַ
5ķ䱻ʶЧԷ
6ԷʼΪͷSMTPϷ

ȺʼһЩСɣ
1òҪ̫߳ȻܶȺԴﵽ1000̡߳ΪĻٶ㹻졢ڴ㹻㹻 
2ЩȺXPʾ棬ڴ治󣬴ٶȽĻӣòҪʹĬϵXP棬˽ػռһڴͼʱ䡣ڡϵͳáУʹXP桱ѡĹȥ
3ʹñʹõDNSҪֱѡбгѡʹáԶȡ޷ñõDNSʹipconfig /All ⣬ͬʱʹöDNSÿDNSIPַÿո
4ϱĻûУôģһɣʽǣxxx.comxxx.netȡΪеʼڽʼʱûķʼյġ
5Ծз鹦ܵȺ缫ǣʱӦע⣬ÿаòҪ8000ֵķ飬ʹԶָָܽɶ顣
6Ӧܹģ壬ΪԼʱ䡣⣬༭HTMLʼʼʹˡ滻šĻʹò˵еġԤܿһʼЧ

Ϊʲôܶ䶼ܷͣ
ڷ@163.comʱдķ䣨ҲԼ䣩ĳЩ֪ĺ׺@163.net,@sina.comȵǳõģͻᷢʧܣ553ĴΪʲôأΪ@163.comʼȽ⣬жʼǷĴӷʼġ磬дķxxxx@263.netʼͷеIPжʼǲ263.netʼ263.netʼǹ̶IPģ˺׷IPʼǲģ˾ͻ᷵553Ҳ֤
ôνأʵףֻҪдʱǳõͿˣдһxxxxx@iloveu.com֮ģͿ׻ˡ
Ⱥܶʱ粻ԲϷ

ʾ550æַʲô?
Ⱥʱʾ550Ӣԭǣ550 Requested action not taken: mailbox unavailable
[E.g., mailbox not found, no access]
ʱȺʼַǵȷڵҲҪʾԻһ̨Էʵ飬һ̨ԿԷͣ˵йأʱ㲻Ҫķ䣬һģaaaa@aaaaaaaa.comһ£һͿ˳ˡ

Ⱥʱʾ553ʲô˼
553ĴӢԭǣ
553 You are not authorized to send mail as <MAIL FROM xxxx@xxx.xxx>, authentication is required

ΪξʾʱԷSMTPûӦ
ȽϷæʹõ豸ûʵĬϵĳʱʱ䡰60롣󵽡120롢180߸֮Ҫݸ

öģΣӷַ
ںܶȺģģΣӷУöģΣӵַֻҪÿģΣӵģɣеַ֮ÿո񿪼ɡöģΣӵĺôǣһãԶѡһõı֤Ⱥʼٶȡ ΪȺʱ඼ǶԷsmtpش룿
һȺǧʼǷͬһʼģпܶԷͬһIPơǣһдķ˵ǷܷƭЧԼ飩⣬ʾǶԷSMTPĴģһʾʼûзͳɹпܷ͵ûˡʱȻʾԷSMTPش󣬵ʵȴյʼ

ȺʼʾԷsmtp޷Ӧ0004
ȿԿ϶ǲ⡣ 
ʼȥж֣У
緱æ
ռʼܾ磺ͬʱͬһطʼͿܾܾܡ
ЩռʼпܻڽʼʱжϷʼַЧԣ磺ڷʼַдǡaaaģ;ܾдΪaaa@aaa.comľͿܽܡˣڷʼַһдӦʼַд
֮Ӱغܶ࣬һʱȥ뾡Լء

SMTPȺDNS
֪ĿǰʹõDNSַأһ򵥵İ취WindowsĿʼ˵Уѡ...ڴһ롰winipcfgȷõһIPáĴڣ½ŵġϸϢťͿġDNS һеõDNSַˡַУһMS-DOSʽipconfig /Allwin2000ǣipconfig /all),㽫õһбDNS ServerһҪҵˡϷЧôֱӲISPṩ̵ĵ绰ѯ

ȺͼƬhtmļ?
ʼĵHTMLĵҪ͵ͼƬ·磺ͼƬc:\photo\a.jpgôHTMLĵͱд<img src="c:\photo\a.jpg">д<img src="a.jpg">дɺķʽͲʾͼƬˡ

case 10004 error = Interrupted system call жϵϵͳ; break; 
case 10009 error = Bad file number; break; 
case 10013 error = Permission denied 뱻ܾ; break; 
case 10014 error = Bad address; break; 
case 10022 error = Invalid argument (not bind); break; 
case 10024 error = Too many open files; break; 
case 10035 error = Operation would block; break; 
case 10036 error = Operation now in progress; break; 
case 10037 error = Operation already in progress; break; 
case 10038 error = Socket operation on non-socket; break; 
case 10039 error = Destination address required; break; 
case 10040 error = Message too long; break; 
case 10041 error = Protocol wrong type for socket; break; 
case 10042 error = Bad protocol option; break; 
case 10043 error = Protocol not supported ֧Ԯprotocol; break; 
case 10044 error = Socket type not supported; break; 
case 10045 error = Operation not supported on socket; break; 
case 10046 error = Protocol family not supported; break; 
case 10047 error = Address family not supported by protocol family; break; 
case 10048 error = Address already in use socketʹ; break; 
case 10049 error = Can't assign requested address; break; 
case 10050 error = Network is down; break; 
case 10051 error = Network is unreachable; break; 
case 10052 error = Net dropped connection or reset; break; 
case 10053 error = Software caused connection abort; break; 
case 10054 error = Connection reset by peer ӱɻproxyж; break; 
case 10055 error = No buffer space available Trackerbuffer; break; 
case 10056 error = Socket is already connected; break; 
case 10057 error = Socket is not connected; break; 
case 10058 error = Can't send after socket shutdown; break; 
case 10059 error = Too many references, can't splice; break; 
case 10060 error = Connection timed out Tracker߳ʱ; break; 
case 10061 error = Connection refused Tracker; break; 
case 10062 error = Too many levels of symbolic links; break; 
case 10063 error = File name too long Ч; break; 
case 10064 error = Host is down; break; 
case 10065 error = No Route to Host; break; 
case 10066 error = Directory not empty; break; 
case 10067 error = Too many processes; break; 
case 10068 error = Too many users ̫ʹ; break; 
case 10069 error = Disc Quota Exceeded; break; 
case 10070 error = Stale NFS file handle; break;

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