关于MFC电子邮件的发送求大神帮忙

zwt609671235 2016-06-04 08:08:18

求大家帮忙看下我这个邮件传输的工程为何编译通过邮件却发送不出去呢

void CSendMailClientDlg::OnBnClickedSetup()
{
// TODO: 在此添加控件通知处理程序代码
CSetup dlg;

dlg.m_strServer = m_strSmtpSrvName ;
dlg.m_strPort = m_strPort ;
dlg.m_strUser = m_szUser;
dlg.m_strPwd = m_szPwd ;

if (dlg.DoModal()==IDOK)
{
m_strSmtpSrvName = dlg.m_strServer;
m_strPort = dlg.m_strPort;
sprintf(m_szUser,"%s",dlg.m_strUser);
sprintf(m_szPwd,"%s",dlg.m_strPwd);
}
}

void CSendMailClientDlg::OnBnClickedOk()
{
UpdateData(TRUE);

const int buflen = 256;
char buf[buflen];
int i,userlen,passlen;
//准备网络连接
WSADATA wsadata;
if (WSAStartup(MAKEWORD(2,2),&wsadata) != 0)
{
AfxMessageBox("WSAStartup Error!");
return;
}

//创建套接字
SOCKET sockid;
if ((sockid = socket(AF_INET,SOCK_STREAM,0)) == INVALID_SOCKET)
{
AfxMessageBox("Sockid Error!");
WSACleanup();
return;
}

//得到SMTP服务器IP
struct hostent *phostent = gethostbyname(m_strSmtpSrvName);
struct sockaddr_in addr;
CopyMemory(&addr.sin_addr.s_addr,phostent->h_addr_list[0],sizeof(addr.sin_addr.s_addr));

addr.sin_family = AF_INET;
addr.sin_port = htons(atoi(m_strPort));
ZeroMemory(&addr.sin_zero, 8);

//连接服务器
if (connect(sockid, (struct sockaddr *)&addr, sizeof(struct sockaddr_in)) == SOCKET_ERROR)
{
AfxMessageBox("connect() error !");
goto STOP;
}
if (Talk(sockid, "220", "HELO asdf"))
{
goto STOP;
}
if (Talk(sockid, "250", "AUTH LOGIN"))
{
goto STOP;
}
ZeroMemory(buf, buflen);
userlen = strlen(m_szUser);
passlen = strlen(m_szPwd);
for(i = 0; i < (userlen%3?userlen/3+1:userlen/3); i++)
{
Base64((unsigned char * )(m_szUser + i * 3),(unsigned char * )( buf + i * 4));
}
if (Talk(sockid, "334", buf))
{
goto STOP;
}
ZeroMemory(buf, buflen);
for(i = 0; i < (passlen%3?passlen/3+1:passlen/3); i++)
{
Base64((unsigned char *)(m_szPwd + i * 3),(unsigned char * ) (buf + i * 4));
}
if (Talk(sockid, "334", buf))
{
goto STOP;
}
ZeroMemory(buf, buflen);
wsprintf(buf, "MAIL FROM:<%s>", m_strFrom);
if (Talk(sockid, "235", buf))
{
goto STOP;
}
ZeroMemory(buf, buflen);
wsprintf(buf, "RCPT TO:<%s>", m_strTo);
if (Talk(sockid, "250", buf))
{
goto STOP;
}
if (Talk(sockid, "250", "DATA"))
{
goto STOP;
}
ZeroMemory(buf, buflen);
wsprintf(buf, "TO: %s\r\nFROM: %s\r\nSUBJECT: %s\r\n%s\r\n\r\n.",
m_strTo,m_strFrom,m_strSubject,m_strMsg);
if (Talk(sockid, "354", buf))
{
goto STOP;
}
if (Talk(sockid, "250", "QUIT"))
{
goto STOP;
}
if (Talk(sockid, "221", ""))
{
goto STOP;
}

STOP:
shutdown(sockid,SD_BOTH);
closesocket(sockid);
WSACleanup();
return;
}

int CSendMailClientDlg::Talk(SOCKET sockid, const char *OkCode, char *pSend)
{
const int buflen = 256;
char buf[buflen];
ZeroMemory(buf, buflen);
//接收返回信息
if (recv(sockid, buf, buflen, 0) == SOCKET_ERROR)
{
int i = GetLastError() ;
AfxMessageBox("recv() error !");
return 1;
}

//发送命令
if (lstrlen(pSend))
{
ZeroMemory(buf, buflen);
wsprintf(buf, "%s\r\n", pSend);

if (send(sockid, buf, lstrlen(buf), 0) == SOCKET_ERROR)
{
AfxMessageBox("send() error ");
return 1;
}
}
return 0;
}

void CSendMailClientDlg::Base64(unsigned char *chasc,unsigned char *chuue)
{
int i,k=2;
unsigned char t = 0;
for(i=0;i<3;i++)
{
*(chuue+i)=*(chasc+i)>>k;
*(chuue+i)|=t;
t=*(chasc+i)<<(8-k);
t>>=2;
k+=2;
}
*(chuue+3)=*(chasc+2)&63;
for(i=0;i<4;i++)
if((*(chuue+i)>=0)&&(*(chuue+i)<=25))
*(chuue+i)+=65;
else if((*(chuue+i)>=26)&&(*(chuue+i)<=51))
*(chuue+i)+=71;
else if((*(chuue+i)>=52)&&(*(chuue+i)<=61))
*(chuue+i)-=4;
else if(*(chuue+i)==62)
*(chuue+i)=43;
else if(*(chuue+i)==63)
*(chuue+i)=47;
}

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