EMail sending - Sockets

#define WIN32_LEAN_AND_MEAN
#define New_Line "\r\n"

#include <iostream>
#include<WinSock2.h>
using namespace std;
#include<string>
#pragma comment (lib, "Ws2_32.lib")
#include<process.h>
#include<Windows.h>
#include<conio.h>
#include<stdio.h>
#include "auto_ptr.h"
#include <stdio.h>
#include <stdlib.h>
#include <fstream>
#include <windows.h>
#include <winsock2.h>




void AppEnd();
int eMailSend(const char const *Title, const char const *Message, const char const *from, const char const *To);

bool Check(int iStatus)
{
    if(iStatus == SOCKET_ERROR  || !iStatus)
        cerr<< "error had Occured" << "eMailSend failed." << endl;
    return iStatus == SOCKET_ERROR  || !iStatus;
}

int main()
{
    SetConsoleTitle("Sockets training");

    if(eMailSend("Check", "is it Working?", MyMail, MyMail))
        cerr<< "fatal error while sending the email";

    AppEnd();
    return 0;
}


int eMailSend(const char const *Title, const char const *Message, const char const *from, const char const *To)
{
    int         iProtocolPort       = 0;
    const char  SmtpServerName[64]  = "smtp.internetlibero.it";
    char        Buffer[64]          = "";
    char        MsgLine[500];
    SOCKET      hServer;
    LPHOSTENT   lpHostEntry;
    LPSERVENT   lpServEntry;
    SOCKADDR_IN SockAddr;

    // Attempt to intialize WinSock (1.1 or later)
    WSADATA wsaData;
    if (WSAStartup(MAKEWORD(2,2), &wsaData) != 0)
    {
        cerr << "WSADATA failed";
        AppEnd();
    }

    // Lookup email server's IP address.
    lpHostEntry = gethostbyname(SmtpServerName);
    if(!lpHostEntry)
    {
        cout << "Cannot find SMTP mail server " << SmtpServerName << endl;
        return -1;
    }

    // Create a TCP/IP socket, no specific protocol
    hServer = socket(PF_INET, SOCK_STREAM, 0);
    if(hServer == INVALID_SOCKET)
    {
        cout << "Cannot open mail server socket" << endl;
        return -1;
    }

    // Get the mail service port
    lpServEntry = getservbyname("mail", 0);

    // Use the SMTP default port if no other port is specified
    if(!lpServEntry)
        iProtocolPort = htons(25);
    else
        iProtocolPort = lpServEntry->s_port;

    // Setup a Socket Address structure
    SockAddr.sin_family = AF_INET;
    SockAddr.sin_port   = iProtocolPort;
    SockAddr.sin_addr   = *((LPIN_ADDR)*lpHostEntry->h_addr_list);

    // Connect the Socket
    if(connect(hServer, (PSOCKADDR) &SockAddr, sizeof(SockAddr)))
    {
        cout << "Error connecting to Server socket" << endl;
        return -1;
    }

    // Receive initial response from SMTP server
    if(Check(recv(hServer, Buffer, sizeof(Buffer), 0))) return -1;

    // Send HELO server.com
    sprintf(MsgLine, "HELO %s%s", SmtpServerName, New_Line);
    if(Check(send(hServer, MsgLine, strlen(MsgLine), 0))) return -1;
    Check(recv(hServer, Buffer, sizeof(Buffer), 0));

    // Send MAIL FROM: <sender@mydomain.com>
    sprintf(MsgLine, "MAIL FROM:<%s>%s", from, New_Line);
    if(Check(send(hServer, MsgLine, strlen(MsgLine), 0))) return -1;
    if(Check(recv(hServer, Buffer, sizeof(Buffer), 0))) return -1;

    // Send RCPT TO: <receiver@domain.com>
    sprintf(MsgLine, "RCPT TO:<%s>%s", To, New_Line);
    if(Check(send(hServer, MsgLine, strlen(MsgLine), 0))) return -1;
    if(Check(recv(hServer, Buffer, sizeof(Buffer), 0))) return -1;

    // Send DATA
    sprintf(MsgLine, "DATA%s", New_Line);
    if(Check(send(hServer, MsgLine, strlen(MsgLine), 0))) return -1;
    if(Check(recv(hServer, Buffer, sizeof(Buffer), 0))) return -1;

    // Send blank line and a period
    sprintf(MsgLine, "%s.%s", New_Line, New_Line);
    if(Check(send(hServer, MsgLine, strlen(MsgLine), 0))) return -1;
    if(Check(recv(hServer, Buffer, sizeof(Buffer), 0))) return -1;

    // Send QUIT
    sprintf(MsgLine, "QUIT%s", New_Line);
    if(Check(send(hServer, MsgLine, strlen(MsgLine), 0))) return -1;
    if(Check(recv(hServer, Buffer, sizeof(Buffer), 0))) return -1;

    // Close server socket and prepare to exit.
    closesocket(hServer);

    return 0;
}

void AppEnd()
{
    cout << "\nEnd of program.";
    if (WSACleanup() == SOCKET_ERROR)
    {
        cout<<"\nWSACleanup failed with error " << WSAGetLastError() << '\n';
    }
    _flushall();
    _getch();
    exit(0);
}