#include<iostream>
#include<fstream>
#include<conio.h>
#include <stdio.h>
#include <string.h>
#include <windows.h>
#include <winable.h>
#include <cmath>
#include<string>
using namespace std;

int main(){
FILE *email= popen( "/usr/lib/sendmail", "wb" );

fprintf( email, "To: xxxxxxx@xxxxxxx.com\r\n" );
fprintf( email, "From: xxxxxx@xxxxxx.com\r\n" );
fprintf( email, "\r\n" );
fprintf( email, "Hello!\r\n" );

pclose( email );
system("pause");
return 0;
}