//Ҫİ뵽̳www.168318.com
1.:ʹøǰ""ҳ:
    DNS IP:ʹĬϵģҪʹñصģıļ༭ãȻ롣
    мSMTPӡSMTP
    dԽãҪʵ
    ͳʱʱ䣬иóЩʱ䣬120ʱͲɹܾΪͳʱҪʵ
    ͼʱ䣺Щʼ͵Ƶ̫ߣʵá


2.ʼݣԵҲճС




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

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
    