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序号：42508 发表者：米罗 发表日期：2003-06-03 22:09:36
<br>主题：to:dr0高手，帮忙呀
<br>内容：我发送数据时出现553：SMTP服务器错误，有事是503：SMTP服务器不能接受数据。<BR>这是怎么回事呢？如何才能保证数据成功发送呢？<BR>我用的是网上的一个叫CSMTP的类做的。发邮件也需要身份验证吗？<BR><BR><BR>#include <afxsock.h><BR>#include "MailMessage.h"<BR><BR>#define SMTP_PORT 25 //标准SMTP服务器端口号 <BR>#define RESPONSE_BUFFER_SIZE 1024 //用于接受响应信息的缓冲区大小<BR>//类：连接服务器、发送数据、接受响应、断开连接等<BR>class CSMTP <BR>{<BR>public:<BR> CSMTP( LPCTSTR szSMTPServerName, UINT nPort = SMTP_PORT );<BR> virtual ~CSMTP();<BR><BR> void SetServerProperties( LPCTSTR szSMTPServerName, UINT nPort = SMTP_PORT );<BR> CString GetLastError();<BR> UINT GetPort();<BR> BOOL Disconnect();<BR> BOOL Connect();<BR> virtual BOOL FormatMailMessage( CMailMessage* msg );<BR> BOOL SendMessage( CMailMessage* msg );<BR> CString GetServerHostName();<BR><BR>private:<BR> BOOL get_response( UINT response_expected );<BR> CString cook_body( CMailMessage* msg );<BR><BR> CString m_sError; //关于错误信息<BR> BOOL m_bConnected; //连接判断<BR> UINT m_nPort; //SMTP服务器端口号<BR> CString m_sSMTPServerHostName; //SMTP服务器的主机名<BR> CSocket m_wsSMTPServer; //套接字对象<BR><BR>protected:<BR> virtual BOOL transmit_message( CMailMessage* msg );<BR><BR> struct response_code<BR> {<BR> UINT nResponse; <BR> TCHAR* sMessage;<BR> };<BR>//枚举了可能出现的错误<BR> enum eResponse<BR> {<BR> GENERIC_SUCCESS = 0,<BR> CONNECT_SUCCESS,<BR> DATA_SUCCESS,<BR> QUIT_SUCCESS,<BR> LAST_RESPONSE<BR> };<BR> TCHAR *response_buf;<BR> static response_code response_table[];<BR>};<BR><BR><BR>// SMTP.cpp: implementation of the CSMTP class.<BR>//<BR>//////////////////////////////////////////////////////////////////////<BR><BR>#include "stdafx.h"<BR>#include "SMTP.h"<BR><BR>#ifdef _DEBUG<BR>#undef THIS_FILE<BR>static char THIS_FILE[]=__FILE__;<BR>#define new DEBUG_NEW<BR>#endif<BR><BR>CSMTP::response_code CSMTP::response_table[] =<BR>{<BR> // GENERIC_SUCCESS<BR> { 250, _T( "SMTP服务器错误" ) },<BR> // CONNECT_SUCCESS<BR> { 220, _T( "SMTP服务器不可用" ) },<BR> // DATA_SUCCESS<BR> { 354, _T( "SMTP服务器不能接收数据" ) },<BR> // QUIT_SUCCESS<BR> { 221, _T( "SMTP没有中止会话" ) }<BR>};<BR><BR>//////////////////////////////////////////////////////////////////////<BR>// Construction/Destruction<BR>//////////////////////////////////////////////////////////////////////<BR><BR>CSMTP::CSMTP( LPCTSTR szSMTPServerName, UINT nPort )<BR>{<BR> ASSERT( szSMTPServerName != NULL );<BR> AfxSocketInit(); //初始化Windows Sockets类的使用<BR> m_sSMTPServerHostName = szSMTPServerName;<BR> m_nPort = nPort;<BR> m_bConnected = FALSE;<BR> m_sError = _T( "OK" );<BR> response_buf = NULL;<BR>}<BR><BR>CSMTP::~CSMTP()<BR>{<BR> Disconnect(); //断开连接<BR>}<BR><BR>CString CSMTP::GetServerHostName()<BR>{<BR> return m_sSMTPServerHostName;<BR>}<BR>//建立到服务器的连接<BR>BOOL CSMTP::Connect()<BR>{<BR> CString sHello;<BR> TCHAR local_host[ 80 ];<BR> if( m_bConnected )<BR> return TRUE;<BR> <BR> try<BR> {<BR> response_buf = new TCHAR[ RESPONSE_BUFFER_SIZE ];<BR><BR> if( response_buf == NULL )<BR> {<BR> m_sError = _T( "内存不足！" );<BR> return FALSE;<BR> }<BR> }<BR> catch( CException *e ) //使用基类进行捕捉<BR> { <BR> response_buf = NULL;<BR> m_sError = _T( "内存不足！" );<BR> delete e;<BR> return FALSE;<BR> }<BR><BR> if( !m_wsSMTPServer.Create() )<BR> {<BR> m_sError = _T( "无法创建套接字！" );<BR> delete response_buf;<BR> response_buf = NULL;<BR> return FALSE;<BR> }<BR> if( !m_wsSMTPServer.Connect( GetServerHostName(), GetPort() ) )<BR> {<BR> m_sError = _T( "无法连接到服务器" );<BR> m_wsSMTPServer.Close();<BR> delete response_buf;<BR> response_buf = NULL;<BR> return FALSE;<BR> }<BR> if( !get_response( CONNECT_SUCCESS ) ) <BR> {<BR> m_sError = _T( "服务器没有响应" );<BR> m_wsSMTPServer.Close();<BR> delete response_buf;<BR> response_buf = NULL;<BR> return FALSE;<BR> }<BR> gethostname( local_host, 80 ); //得到本地机器标准主机名<BR> sHello.Format( _T( "HELO %s\r\n" ), local_host );<BR> m_wsSMTPServer.Send( (LPCTSTR)sHello, sHello.GetLength() ); //建立连接后发送数据<BR> if( !get_response( GENERIC_SUCCESS ) )<BR> {<BR> m_wsSMTPServer.Close();<BR> delete response_buf;<BR> response_buf = NULL;<BR> return FALSE;<BR> }<BR> m_bConnected = TRUE;<BR> return TRUE;<BR>}<BR>//断开连接<BR>BOOL CSMTP::Disconnect()<BR>{<BR> BOOL ret;<BR> if( !m_bConnected )<BR> return TRUE;<BR> CString sQuit = _T( "QUIT\r\n" );<BR> m_wsSMTPServer.Send( (LPCTSTR)sQuit, sQuit.GetLength() );<BR><BR> ret = get_response( QUIT_SUCCESS );<BR> m_wsSMTPServer.Close();<BR><BR> if( response_buf != NULL )<BR> {<BR> delete[] response_buf;<BR> response_buf = NULL;<BR> }<BR><BR> m_bConnected = FALSE;<BR> return ret;<BR>}<BR>//取得SMTP服务器端口号<BR>UINT CSMTP::GetPort()<BR>{<BR> return m_nPort;<BR>}<BR>//取得错误信息<BR>CString CSMTP::GetLastError()<BR>{<BR> return m_sError;<BR>}<BR>//发邮件到服务器<BR>BOOL CSMTP::SendMessage(CMailMessage * msg)<BR>{<BR> ASSERT( msg != NULL );<BR> if( !m_bConnected )<BR> {<BR> m_sError = _T( "必须首先创建连接！" );<BR> return FALSE;<BR> }<BR> if( FormatMailMessage( msg ) == FALSE )<BR> {<BR> return FALSE;<BR> }<BR> if( transmit_message( msg ) == FALSE )<BR> {<BR> return FALSE;<BR> }<BR> return TRUE;<BR>}<BR>//格式化邮件信息<BR>BOOL CSMTP::FormatMailMessage( CMailMessage* msg )<BR>{<BR> ASSERT( msg != NULL );<BR> if( msg->GetNumRecipients() == 0 )<BR> {<BR> m_sError = _T( "No Recipients" );<BR> return FALSE;<BR> }<BR> msg->FormatMessage();<BR> return TRUE;<BR>}<BR>//配置服务器<BR>void CSMTP::SetServerProperties( LPCTSTR szSMTPServerName, UINT nPort)<BR>{<BR> ASSERT( szSMTPServerName != NULL );<BR> if( szSMTPServerName == NULL )<BR> return;<BR> m_sSMTPServerHostName = szSMTPServerName;<BR> m_nPort = nPort;<BR>}<BR><BR>//获得邮件体得到发送内容<BR>CString CSMTP::cook_body(CMailMessage * msg)<BR>{<BR> ASSERT( msg != NULL );<BR> CString sTemp;<BR> CString sCooked = _T( "" );<BR> LPTSTR szBad = _T( "\r\n.\r\n" );<BR> LPTSTR szGood = _T( "\r\n..\r\n" );<BR> int nPos;<BR> int nStart = 0;<BR> int nBadLength = strlen( szBad );<BR> sTemp = msg->m_sBody;<BR> if( sTemp.Left( 3 ) == _T( ".\r\n" ) )<BR> sTemp = _T( "." ) + sTemp;<BR> while( (nPos = sTemp.Find( szBad )) > -1 )<BR> {<BR> sCooked = sTemp.Mid( nStart, nPos );<BR> sCooked += szGood;<BR> sTemp = sCooked + sTemp.Right( sTemp.GetLength() - (nPos + nBadLength) );<BR> }<BR> return sTemp;<BR>}<BR>//发送邮件<BR>BOOL CSMTP::transmit_message(CMailMessage * msg)<BR>{<BR> CString sFrom;<BR> CString sTo;<BR> CString sTemp;<BR> CString sEmail;<BR> CString sSubject;<BR><BR> ASSERT( msg != NULL );<BR> if( !m_bConnected )<BR> {<BR> m_sError = _T( "必须首先创建连接！" );<BR> return FALSE;<BR> }<BR><BR> sFrom.Format( _T( "MAIL From: <%s>\r\n" ), (LPCTSTR)msg->m_sFrom );<BR> m_wsSMTPServer.Send( (LPCTSTR)sFrom, sFrom.GetLength() );<BR> if( !get_response( GENERIC_SUCCESS ) )<BR> return FALSE;<BR> <BR> for( int i = 0; i < msg->GetNumRecipients(); i++ )<BR> {<BR> msg->GetRecipient( sEmail, sTemp, i );<BR> sTo.Format( _T( "RCPT TO: <%s>\r\n" ), (LPCTSTR)sEmail );<BR> m_wsSMTPServer.Send( (LPCTSTR)sTo, sTo.GetLength() );<BR> get_response( GENERIC_SUCCESS );<BR> }<BR><BR><BR> sTemp = _T( "DATA\r\n" );<BR> m_wsSMTPServer.Send( (LPCTSTR)sTemp, sTemp.GetLength() );<BR> if( !get_response( DATA_SUCCESS ) )<BR> {<BR> return FALSE;<BR> }<BR><BR> sSubject.Format( _T( "SUBJECT: <%s>\r\n" ), (LPCTSTR)msg->m_sSubject );<BR> m_wsSMTPServer.Send( (LPCTSTR)sSubject, sSubject.GetLength() );<BR><BR>// m_wsSMTPServer.Send( (LPCTSTR)msg->m_sHeader, msg->m_sHeader.GetLength() );<BR><BR> sTemp = cook_body( msg );<BR> m_wsSMTPServer.Send( (LPCTSTR)sTemp, sTemp.GetLength() );<BR><BR> sTemp = _T( "\r\n.\r\n" );<BR> m_wsSMTPServer.Send( (LPCTSTR)sTemp, sTemp.GetLength() );<BR> if( !get_response( GENERIC_SUCCESS ) )<BR> {<BR> return FALSE;<BR> }<BR> return TRUE;<BR>}<BR>//得到服务器响应<BR>BOOL CSMTP::get_response( UINT response_expected )<BR>{<BR> ASSERT( response_expected >= GENERIC_SUCCESS );<BR> ASSERT( response_expected < LAST_RESPONSE );<BR><BR> CString sResponse;<BR> UINT response;<BR> response_code* pResp;<BR><BR> if( m_wsSMTPServer.Receive( response_buf, RESPONSE_BUFFER_SIZE ) == SOCKET_ERROR )<BR> {<BR> m_sError = _T( "套接字错误！" );<BR> return FALSE;<BR> }<BR> sResponse = response_buf;<BR> sscanf( (LPCTSTR)sResponse.Left( 3 ), _T( "%d" ), &response );<BR> pResp = &response_table[ response_expected ];<BR> if( response != pResp->nResponse )<BR> {<BR> m_sError.Format( _T( "%d:%s" ), response, (LPCTSTR)pResp->sMessage );<BR> return FALSE;<BR> }<BR> return TRUE;<BR>}
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回复者：dr0 回复日期：2003-06-03 22:14:14
<br>内容：发邮件也需要身份验证吗？<BR>// 现在很多mail server都要验证，至于具体技术细节我是没有研究过<BR>//
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回复者：米罗 回复日期：2003-06-03 22:18:09
<br>内容：我不清楚呀，有没有能现在成功发邮件的代码呀？
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回复者：dr0 回复日期：2003-06-03 22:20:42
<br>内容：www.codeproject.com , or www.codeguru.com 很多，down下来个研究研究吧.
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回复者：dr0 回复日期：2003-06-03 22:22:07
<br>内容：关于authentication, RFC 应该有标准，我也不晓得具体编号，你可以SEARCH一下<BR>有了GOOGLE,还怕找不到答案 ？:-)
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回复者：米罗 回复日期：2003-06-03 22:24:25
<br>内容：^_^，谢谢了<BR>大侠如果没事的话麻烦帮我看看的我发的关于监听的问题，谢谢了。
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