利用VS2010实现发送邮件SMTP

C++实现发送邮件，开发环境是VS2010 MFC，QQ邮箱测试通过

// Email_Demo.cpp : Defines the class behaviors for the application.
//

#include “stdafx.h“
#include “Email_Demo.h“
#include “Email_DemoDlg.h“

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CEmail_DemoApp

BEGIN_MESSAGE_MAP（CEmail_DemoApp CWinApp）
	ON_COMMAND（ID_HELP &CWinApp::onhelp）
END_MESSAGE_MAP（）


// CEmail_DemoApp construction

CEmail_DemoApp::CEmail_DemoApp（）
{
	// support Restart Manager
	m_dwRestartManagerSupportFlags = AFX_RESTART_MANAGER_SUPPORT_RESTART;

	// TODO: add construction code here
	// Place all significant initialization in InitInstance
}


// The one and only CEmail_DemoApp object

CEmail_DemoApp theApp;


// CEmail_DemoApp initialization

BOOL CEmail_DemoApp::InitInstance（）
{
	// InitCommonControlsEx（） is required on Windows XP if an application
	// manifest specifies use of ComCtl32.dll version 6 or later to enable
	// visual styles.  Otherwise any window creation will fail.
	INITCOMMONCONTROLSEX InitCtrls;
	InitCtrls.dwSize = sizeof（InitCtrls）;
	// Set this to include all the common control classes you want to use
	// in your application.
	InitCtrls.dwICC = ICC_WIN95_CLASSES;
	InitCommonControlsEx（&InitCtrls）;

	CWinApp::InitInstance（）;

	if （!AfxSocketInit（））
	{
		AfxMessageBox（IDP_SOCKETS_INIT_FAILED）;
		return FALSE;
	}


	AfxEnableControlContainer（）;

	// Create the shell manager in case the dialog contains
	// any shell tree view or shell list view controls.
	CShellManager *pShellManager = new CShellManager;

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	// of your final executable you should remove from the following
	// the specific initialization routines you do not need
	// Change the registry key under which our settings are stored
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization
	SetRegistryKey（_T（“Local AppWizard-Generated Applications“））;

	CEmail_DemoDlg dlg;
	m_pMainWnd = &dlg;
	INT_PTR nResponse = dlg.DoModal（）;
	if （nResponse == IDOK）
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if （nResponse == IDCANCEL）
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	// Delete the shell manager created above.
	if （pShellManager != NULL）
	{
		delete pShellManager;
	}

	// Since the dialog has been closed return FALSE so that we exit the
	//  application rather than start the application‘s message pump.
	return FALSE;
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件    6468608  2015-09-06 16:47  Email_Demo\Debug\Email_Demo.exe

     文件   15299140  2015-09-06 16:47  Email_Demo\Debug\Email_Demo.ilk

     文件   27192320  2015-09-06 16:47  Email_Demo\Debug\Email_Demo.pdb

     文件      89476  2015-09-06 16:43  Email_Demo\Email_Demo\Email_Demo.aps

     文件       2615  2015-08-31 16:51  Email_Demo\Email_Demo\Email_Demo.cpp

     文件        529  2015-08-31 16:51  Email_Demo\Email_Demo\Email_Demo.h

     文件       9820  2015-08-31 16:59  Email_Demo\Email_Demo\Email_Demo.rc

     文件       6026  2015-09-01 09:59  Email_Demo\Email_Demo\Email_Demo.vcxproj

     文件       2235  2015-09-01 09:59  Email_Demo\Email_Demo\Email_Demo.vcxproj.filters

     文件        143  2015-08-31 16:51  Email_Demo\Email_Demo\Email_Demo.vcxproj.user

     文件       3578  2015-09-06 16:46  Email_Demo\Email_Demo\Email_DemoDlg.cpp

     文件        683  2015-09-01 12:50  Email_Demo\Email_Demo\Email_DemoDlg.h

     文件       4599  2015-08-31 16:51  Email_Demo\Email_Demo\ReadMe.txt

     文件      67777  2009-08-31 02:31  Email_Demo\Email_Demo\res\Email_Demo.ico

     文件        804  2015-08-31 16:51  Email_Demo\Email_Demo\res\Email_Demo.rc2

     文件        487  2015-08-31 16:51  Email_Demo\Email_Demo\Resource.h

     文件      16389  2015-09-01 13:11  Email_Demo\Email_Demo\SendMail.cpp

     文件       2320  2015-09-01 12:50  Email_Demo\Email_Demo\SendMail.h

     文件          0  2015-09-01 09:56  Email_Demo\Email_Demo\Sock.cpp

     文件          0  2015-09-01 09:56  Email_Demo\Email_Demo\Sock.h

     文件        212  2015-08-31 16:51  Email_Demo\Email_Demo\stdafx.cpp

     文件       1865  2015-08-31 16:51  Email_Demo\Email_Demo\stdafx.h

     文件        314  2015-08-31 16:51  Email_Demo\Email_Demo\targetver.h

     文件   71454720  2015-09-06 16:47  Email_Demo\Email_Demo.sdf

     文件        897  2015-08-31 16:51  Email_Demo\Email_Demo.sln

    ..A..H.     19968  2015-09-06 16:47  Email_Demo\Email_Demo.suo

     目录          0  2015-09-01 13:11  Email_Demo\Email_Demo\res

     目录          0  2015-09-01 13:11  Email_Demo\Debug

     目录          0  2015-09-06 16:48  Email_Demo\Email_Demo

     目录          0  2015-09-06 16:48  Email_Demo

............此处省略3个文件信息