VC++smtp发送邮件和附件模块

1、C+发送邮件和附件 头文件 /* *发送邮件模块头文件 *可以发送文本和附件（支持多个附件一起发送） * */ #pragma once struct sMaillnfo / 邮件信息 char * m_pcUserName; /用户登录邮箱的名称 char * m_pcUserPassWord; /用户登录邮箱的密码 char * m_pcSenderName; /用户发送时显示的名称 char * m_pcSender; /发送者的邮箱地址 char * m_pcReceiver; /接收者的邮箱地址 char * m_pcTitle; / 邮箱标题 char * m_pcBody; /邮

2、件文本正文 char char m_pclPAddr; /服务器的IP m_pcIPName; /服务器的名称（IP与名称二选一，优先取名称） sMaillnfo()memset( ; class CSendMail public : CSendMail( void ); CSendMail( void ); this ,0, sizeof (sMailInfo); public : bool SendMail(sMaillnfo /发送邮件，需要在发送的时候初始化邮件信 void AddFilePath( char * pcFilePath); /添加附件的决定路径到附件列表中 void D

3、eleteFilePath( char * pcFilePath); / 删除附件路径，如果有的话 void DeleteAllPath( void ); /删除全部附件的路径 protected : void GetFileName( char * fileName, char * filePath); / 从附件的路径中获取文件名称 void Char2Base64( char * pBuff64, char * pSrcBuff, int iLen); / 把 char 类型转换成 Base64类型 bool CReateSocket(SOCKET / 建立 socket 连接 bool

4、 Logon(SOCKET /登录邮箱，主要进行发邮件前的准备工作 int GetFileData(char /* *发送邮件模块 *可以发送文本和附件(支持多个附件一起发送) Date:2011-12-01 */ #include StdAfx.h #include SendMail.h #include winsock2.h #pragma comment(lib,WSOCK32) CSendMail:CSendMail( void ) m_pcFileBuff=NULL; memset(m_cSendBuff,0, sizeof (m_cSendBuff); memset(m_cRece

5、iveBuff,0,sizeof (m_cReceiveBuff); CSendMail:CSendMail(void ) DeleteAllPath(); void CSendMail:Char2Base64( char * pBuff64, char * pSrcBuff, int iLen) FilePath); /由文件路径获取附件内容 bool SendHead(SOCKET / 发送邮件头 bool SendTextBody(SOCKET /发送邮件文本正文 bool SendFileBody(SOCKET /发送邮件附件 bool SendEnd(SOCKET / 发送邮件结尾

6、protected CList m_pcFilePathList;/ 记录附件路径 char m_cSendBuff4096;/ 发送缓冲区 char m_cReceiveBuff1024; char * m_pcFileBuff;/指向附件内容 sMailInfo m_sMaillnfo; ; 模块实现文件 1 1 1 1 1 1 1 1 / 分配给 pBuff64 f 分配给 pBuff64+1 / point所在的位置 static char Base64Encode= ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456

7、789+/ ; base64 所映 射的字符表 int point; /每一个源字符拆分的位置，可取 2,4,6 ;初始为2 point=2; int i; int iIndex; /base64 字符的索引 char n=0; /上一个源字符的残留值 for (i=0;iiLen;i+) if (point=2) ilndex=(*pSrcBuff)point) / 取得 pSrcBuff 的高point else if (point=4) ilndex=(*pSrcBuff)point) /取得 pSrcBuff 的高point else if (point=6) ilndex=(*pSr

8、cBuff)point) /取得 pSrcBuff 的高point iIndex+=n; / 与 pSrcBuff-1 的低point 结合组成 Base64的索引 *pBuff64+=Base64Encodeilndex; / n=(*pSrcBuff)(6-point); /确保n的最咼两位为0 由索引表得到pBuff64 计算源字符中的残留值 / n=n /源字符的拆分位置上升 point+=2; if (point=8) /如果拆分位置为8说明pSrcBuff有6位残留，可以组成一个完整的 Base64字符，所以直接再组合一次 ilndex=(*pSrcBuff) /提取低6位，这就是

9、索引了 / n=0; point=2; /拆分位置设为2 pSrcBuff+; if (n!=0) *pBuff64+=Base64Encoden; if (iLen%3=2) /如果源字符串长度不是 3的倍数要用=补全 *pBuff64= =; else if (iLen%3=1) *pBuff64+=; *pBuff64= =; void CSendMail:AddFilePath( char * pcFilePath) / 添加附件路径 if (pcFilePath=NULL) return ; int i; char * temp; for (i=0;im_pcFilePathList

10、.GetCount();i+) temp=m_pcFilePathList.GetAt(m_pcFilePathList.Findlndex(i); if (strcmp(pcFilePath,temp)=0)/如果已经存在就不用再添加了 return ; m_pcFilePathList.AddTail(pcFilePath); void CSendMail:DeleteFilePath(char * pcFilePath) / 删除附件路径 int i; char * temp; for (i=0;im_pcFilePathList.GetCount();i+) temp=m_pcFile

11、PathList.GetAt(m_pcFilePathList.Findlndex(i); if (strcmp(temp,pcFilePath)=0)/找到并删除它，如果没找到就算了 m_pcFilePathList.RemoveAt(m_pcFilePathList.Findlndex(i); delete temp; return ; void CSendMail:DeleteAIIPath(void ) m_pcFilePathList.RemoveAII(); int CSendMail:GetFileData( char * FilePath) m_pcFileBuff=NULL;

12、 if (FilePath=NULL) return 0; CFile f; int len; USES_CONVERSION; if (!f.Open(A2W(FilePath),CFile:modeRead|CFile:modeNoTruncate|CFile:typeBinary ) return 0; len=( int )f.GetLength(); m_pcFileBuff= new char len+1; memset(m_pcFileBuff,0,len+1); f.Read(m_pcFileBuff,len); f.Close(); return len; void CSen

13、dMail:GetFileName( char * fileName, char * filePath) if (filePath=NULL | fileName=NULL) return ; int i; for (i=0;ih_addr_list); /使用名称 int ret = connect(sock,(sockaddr* ) return true ; sizeof (servaddr); / 建立连接 bool CSendMail:Logon(SOCKET memset(m_cSendBuff,O, sizeof (m_cSendBuff); sprintf_s(m_cSendB

14、uff,HELO rn); send(sock,m_cSendBuff,strlen(m_cSendBuff),0); recv(sock,m_cReceiveBuff,1024,0); if (m_cReceiveBuff0!= 2| m_cReceiveBuff1!= m_cReceiveBuff2!= 0) return false ; /开始会话 5 | memset(m_cSendBuff,0, sprintf_s(m_cSendBuff, sizeof (m_cSendBuff); AUTH LOGINrn); send(sock,m_cSendBuff,strlen(m_cSen

15、dBuff),0); recv(sock,m_cReceiveBuff,1024,0); if (m_cReceiveBuff0!= 3 m_cReceiveBuff2!= 4) return false ; | m_cReceiveBuff1!= /请求登录 3 | memset(m_cSendBuff,0, sizeof (m_cSendBuff); Char2Base64(m_cSendBuff,m_sMaillnfo.m_pcUserName,strlen(m_sMaillnfo.m_pcUserName ); r m_cSendBuffstrlen(m_cSendBuff)= m_c

16、SendBuffstrlen(m_cSendBuff)=n; send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/ 发送用户名 recv(sock,m_cReceiveBuff,1024,0); if (m_cReceiveBuff0!= 3| m_cReceiveBuff1!=3| m_cReceiveBuff2!= 4) return false ; memset(m_cSendBuff,0, sizeof (m_cSendBuff); Char2Base64(m_cSendBuff,m_sMaillnfo.m_pcUserPassWord,strl

17、en(m_sMaillnfo.m_pcUser Password); m_cSendBuffstrlen(m_cSendBuff)=r; m_cSendBuffstrlen(m_cSendBuff)=n; send(sock,m_cSendBuff,strlen(m_cSendBuff),0);/ 发送用户密码 recv(sock,m_cReceiveBuff,1024,0); if (m_cReceiveBuff0!= 2| m_cReceiveBuff1!=3| m_cReceiveBuff2!= 5) return false ; return true ; / 登录成功 bool CS

18、endMail:SendHead(SOCKET memset(m_cSendBuff,0, sizeof (m_cSendBuff); sprintf_s(m_cSendBuff,MAIL FROM：v%srn ,m_sMaillnfo.m_pcSender); rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); if (rt!=strlen(m_cSendBuff) return false ; recv(sock,m_cReceiveBuff,1024,0); memset(m_cSendBuff,0, sizeof (m_cSendBuff)

19、; sprintf_s(m_cSendBuff,RCPT TO:rn ,m_sMaillnfo.m_pcReceiver); rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); if (rt!=strlen(m_cSendBuff) return false ; recv(sock,m_cReceiveBuff,1024,0); memset(m_cSendBuff,O, sizeof (m_cSendBuff); memcpy(m_cSendBuff,DATArn ,strlen( DATArn); rt=send(sock,m_cSendBuf

20、f,strlen(m_cSendBuff),0); if (rt!=strlen(m_cSendBuff) return false ; recv(sock,m_cReceiveBuff,1024,0); memset(m_cSendBuff,0, sizeof (m_cSendBuff); sprintf_s(m_cSendBuff, From:%sv%srn ,m_sMaillnfo.m_pcSenderName,m_sMailln fo.m_pcSender); To:INVT.COM.CNv%srn ,m_s Subject:%srnMime-Version: sprintf_s( s

21、printf_s( boundary=INVTrnrn,m_sMaillnfo.m_pcTitle); rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); if (rt!=strlen(m_cSendBuff) return false ; return true bool CSendMail:SendTextBody(SOCKET memset(m_cSendBuff,0, sizeof (m_cSendBuff); sprintf_s(m_cSendBuff,-INVTrnContent-Type: text/plain;rn charset=

22、gb2312rnrn%srnrn,m_sMaillnfo.m_pcBody); rt=send(sock,m_cSendBuff,strlen(m_cSendBuff),0); if (rt!=strlen(m_cSendBuff) return false return true ; else bool CSendMail:SendFileBody(SOCKET char * filePath; int rt; int len; int pt=O; char fileName128; for (i=O;im_pcFilePathList.GetCount();i+) pt=0; memset

23、(fileName,0,128); filePath=m_pcFilePathList.GetAt(m_pcFilePathList.Findlndex(i); len=GetFileData(filePath); GetFileName(fileName,filePath); sprintf_s(m_cSendBuff,-INVTrnContent-Type: application/octet-stream;rn name=%srnContent-Transfer-Encoding: base64rnContent-Disposition: attachment;rn filename=%srnrn,fileName,fileName); send(sock,m_cSendBuff,strlen(m_cSendBuff),0); while (ptlen) memset(m_cSendBuff,0,sizeof (m_cSendBuff); Char2Base64(m