Send Email with Return Receipt

Sample C++ program to send an email with a return-receipt.

#define _CRTDBG_MAP_ALLOC
#include <windows.h>
#include <stdio.h>
#include <crtdbg.h>

#include "C:/ck2000/components/ChilkatLib/Package/Include/CkSettings.h"
#include "C:/ck2000/components/ChilkatLib/Package/Include/CkCert.h"
#include "C:/ck2000/components/ChilkatLib/Package/Include/CkEmail.h"
#include "C:/ck2000/components/ChilkatLib/Package/Include/CkEmailBundle.h"
#include "C:/ck2000/components/ChilkatLib/Package/Include/CkMailMan.h"
#include "C:/ck2000/components/ChilkatLib/Package/Include/CkString.h"
#include "C:/ck2000/components/ChilkatLib/Package/Include/CkByteData.h"

void EmailExample(void)
    {
    CkMailMan mailman;

    // Any string passed to UnlockComponent begins the 30-day trial.
    bool unlocked = mailman.UnlockComponent("30-day trial");
    if (!unlocked)
	{
	printf("Failed to unlock component\n");
	return;
	}

    mailman.put_SmtpHost("mail.earthlink.net");
    
    // Send an email with a return-receipt
    CkEmail email;

    // Set the ReturnReceipt property to true to request a Return Receipt.
    email.put_ReturnReceipt(true);

    email.put_Body("This is the email body");

    email.put_Subject("This is the email subject");

    email.AddTo("Chilkat Support","support@chilkatsoft.com");

    email.put_FromAddress("matt@chilkatsoft.com");
    
    // Send the email with a return receipt.
    if (!mailman.SendEmail(&email))
	{
	mailman.SaveLastError("errors.xml");
	}

    }

int APIENTRY WinMain(HINSTANCE hInstance,
                     HINSTANCE hPrevInstance,
                     LPSTR     lpCmdLine,
                     int       nCmdShow)
{
    freopen("stdout.txt","w",stdout);

    EmailExample();

    CkSettings::cleanupMemory();

    _CrtDumpMemoryLeaks();

    return 0;
}