简单邮件传输协议SMTP封装类

简单邮件传输SMTP封装类 ?òµ?ÓÊ?þ??ÊäÐ,ÒéSMTP?â×?Àà -------------------------------------------------------------------------------- µÚ?Ë?üÍÅ Ê??ä?º2004-1-17 21:45:34 ÔÚInternetÉÏ,EmailÊÇ×îÁ?ÐеÄ??ÊäÃ?Ìå??ÕâƪÎÄÕÂ?üÀ?Á??öÐ,Òé?º. POP 3 Ð,Òé?º POP3Ð,Òé??ÓÊÕþ??ÊäÐ,Òé?? ?ÍÊÇÖ??ÓEmail?þÎñÆ??ÓÊÕÐÅ?þ??ÎÒÒÑ?,Ìá??ÁËÒ??ö?â×?POP3Ð,ÒéµÄÀà???ÃÐ,Òé?Ù??µÄÃèÊöÄã?É?éÔÄRFC1225?? SMTPÐ,Òé?º SMTP (?òµ?ÓÊ?þ??ÊäÐ,Òé?? Ö???ËÍÓÊ?þµ?ËüµÄÄ?µÄµØ?? ÓÐ?ØSMTP Ð,ÒéµÄÏ??ÚÄã?É?Î??RCF 821 . ÎÒ×îеØ??Ï×ÊÇ?â×?ÁËSMTPÐ,Òé??ÎÒ??ÄÜÍêÈ?ʵÏÖ SMTPÐ,Òéµ?Äã?ÉÓÃËüÔÚÐí?àÓ?ÓÃ??ºÏ??ËÍÓÊ?þ???ÃÀàÓÐÈô?É?????? ÎÒÑ?????ÃûÍ?SMTPÃüÁî?? ËùÒÔÄãºÜÈÝÒ×Àí?â?? ÔÚ?ÃÀàÖÐ??ÎÒÔÙÒ??ÎÊ?ÓÃÁËCSocket×?ΪÀà?ÉÔ?,ËùÒÔÎÒÄÜÔÚÏß?ÌÖÐ Ê?ÓÃËü. ÏÂÃæÊÇ?ÃÀàµÄ?àÂë??×?ÊÍ?º ////////////////////////////////////////////////////////////////////// // SMTP.h: interface for the CSMTP class. // ////////////////////////////////////////////////////////////////////// #if !defined(AFX_SMTP_H__617F7E82_7F4D_11D1_88A0_00001C302581__INCLUDED_) #define AFX_SMTP_H__617F7E82_7F4D_11D1_88A0_00001C302581__INCLUDED_ #if _MSC_VER >= 1000 #pragma once #endif // _MSC_VER >= 1000 #define CONNECTION_CHECK 0 #define HELLO_CHECK 1 #define MAIL_CHECK 2 #define RCPT_CHECK 3 #define DATA_START_CHECK 4 #define DATA_END_CHECK 5 #define QUIT_CHECK 6 #define DATA_CHECK 7 class CSMTP { public: BOOL Mail(); // CString GetErrorMessage(); BOOL Data(CString Subject, CString Body); CString GetTo(); BOOL SetTo(CString to); CString GetFrom(); void SetFrom(CString from); BOOL Mail(CString from); BOOL Disconnect(); CString GetHost(); void SetHost(CString Host); BOOL Connect(CString Host, CString Me); BOOL Connect(); CSMTP(); virtual ~CSMTP(); private: CString GetError(CString Response); CString m_ErrorMessage; BOOL CheckResponse(int Type); int m_NoOfTo; CStringArray m_To; CString m_From; CSocket m_SMTPServer; CString m_Host; }; #endif // !defined(AFX_SMTP_H__617F7E82_7F4D_11D1_88A0_00001C302581__INCLUDED_) ////////////////////////////////////////////////////////////////////////// // SMTP.cpp: implementation of the CSMTP class. // ////////////////////////////////////////////////////////////////////// #include "stdafx.h" #include "MailSend.h" #include "SMTP.h" #ifdef _DEBUG #undef THIS_FILE static char THIS_FILE[]=__FILE__; #define new DEBUG_NEW #endif ////////////////////////////////////////////////////////////////////// // Construction/Destruction ////////////////////////////////////////////////////////////////////// CSMTP::CSMTP() { m_NoOfTo = 0; m_SMTPServer.Create(); } CSMTP::~CSMTP() { m_SMTPServer.Close(); } // Connect to the SMTP Server BOOL CSMTP::Connect() { return Connect(m_Host,m_From); } // Connect to the SMTP Server BOOL CSMTP::Connect(CString Host,CString From) { if (!m_SMTPServer.Connect(Host,25)) // 25 for SMTP Port { m_ErrorMessage = _T("Server cannot be connected"); return FALSE; } else { if(CheckResponse(CONNECTION_CHECK)==FALSE) return FALSE; char buf [512]; wsprintf (buf, "HELO %s\r\n", (LPCSTR) From); m_SMTPServer.Send(buf, strlen (buf)); if (CheckResponse(HELLO_CHECK)==FALSE) return FALSE; else return TRUE; return TRUE; } } // Setting the Host String void CSMTP::SetHost(CString Host) { m_Host = Host; } // Returing the Host String CString CSMTP::GetHost() { return m_Host; } // ??ËÍ"QUIT"ÃüÁîµ?SMTP?þÎñÆ??º BOOL CSMTP::Disconnect() { char buf[256]; wsprintf (buf, "QUIT \r\n"); m_SMTPServer.Send(buf, strlen (buf)); if (CheckResponse(QUIT_CHECK)==FALSE) return FALSE; else return TRUE; } // ??ËÍ"MAIL" ÃüÁîµ?SMTP?þÎñÆ??º BOOL CSMTP::Mail(CString from) { char buf[256]; wsprintf (buf, "MAIL From:<%s>\r\n", (LPCSTR) from); m_SMTPServer.Send(buf, strlen (buf)); if (CheckResponse(MAIL_CHECK)==FALSE) return FALSE; else return TRUE; } // Setting the From string void CSMTP::SetFrom(CString from) { m_From = from; } // Returing the From string CString CSMTP::GetFrom() { return m_From; } // Setting the TO string BOOL CSMTP::SetTo(CString to) { char buf[256]; m_To.Add(to); // Saving vale of to wsprintf (buf, "RCPT TO:<%s>\r\n", (LPCSTR) to); m_SMTPServer.Send(buf, strlen (buf)); if (CheckResponse(RCPT_CHECK)==FALSE) return FALSE; else return TRUE; } // Returing the TO string CString CSMTP::GetTo() { if(m_To.GetSize()>=m_NoOfTo) { m_NoOfTo++; return m_To[m_NoOfTo-1]; } else return _T("No more To available"); } // ??ËÍ"DATA" ÃüÁîµ? SMTP ?þÎñÆ??º BOOL CSMTP::Data(CString Subject, CString Body) { char buf[256]; wsprintf (buf, "DATA\r\n"); m_SMTPServer.Send(buf, strlen (buf)); if (CheckResponse(DATA_CHECK)==FALSE) return FALSE; else { wsprintf (buf, "SUBJECT:%s\r\n", (LPCSTR) Subject); m_SMTPServer.Send(buf, strlen (buf)); wsprintf (buf, "%s\r\n", (LPCSTR) Body); m_SMTPServer.Send(buf, strlen (buf)); wsprintf (buf, ".\r\n"); m_SMTPServer.Send(buf, strlen (buf)); return TRUE; } } //???????ì?é?þÎñÆ?µÄÏìÓ??º BOOL CSMTP::CheckResponse(int Type) { char buf [1000]; char temp[3]; for (int i=0;i < 512;i++) buf[i]='\0'; //?Ó?þÎñÆ??ÓÊÕÊý?Ý m_SMTPServer.Receive(buf, sizeof(buf)); strncpy(temp,buf,3); int temp2 = atoi(temp); switch (Type) { case CONNECTION_CHECK: if (temp2 != 220) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; case HELLO_CHECK: if (temp2 != 250) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; case MAIL_CHECK: if (temp2 != 250) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; case RCPT_CHECK: if (temp2 != 250) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; case DATA_START_CHECK: if (temp2 != 354) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; case DATA_END_CHECK: if (temp2 != 250) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; case QUIT_CHECK: if (temp2 != 221) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; case DATA_CHECK: if (temp2 != 354) { m_ErrorMessage = GetError((LPCTSTR)buf); return FALSE; } break; } return TRUE; } // ?µ?Ø?íÎóÏûÏ? CString CSMTP::GetErrorMessage() { return m_ErrorMessage; } // ??ÕÕ?íÎóºÅ×????íÎóÐÅÏ? CString CSMTP::GetError(CString Response) { if(Response.Find("211")) return _T("System status or system help reply"); if(Response.Find("214")) return _T("Help Message"); if(Response.Find("220")) return _T("Service is ready"); if(Response.Find("221")) return _T("Service closing transmission channel"); if(Response.Find("250")) return _T("Requested mail action okay, completed"); if(Response.Find("251")) return _T("user not local: will forward to forward path"); if(Response.Find("354")) return _T("Start mail input; end with . "); return _T("No Error Number is matched with ")+Response; } // Just overloading of the Mail method BOOL CSMTP::Mail() { return Mail(m_From); }?? ÕâÊÇ?ÃÀàÒ??öÐ?µÄʵÏÖ?º?? CSMTP m_smtp; m_smtp.Connect("khi.compol.com","aasif@khi.compol.com"); m_smtp.Mail("aasif@khi.compol.com"); m_smtp.SetTo("zafir@home.com"); m_smtp.Data("test message","This is a test message ... "); m_smtp.Disconnect();