import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;

public class fuad {

    public static void main(String[] args) throws UnknownHostException, IOException {
        String mailServer = "smtp.sendgrid.net";
        InetAddress mailHost = InetAddress.getByName(mailServer);
        InetAddress localHost = InetAddress.getLocalHost();
        Socket smtpSocket = new Socket(mailHost,587);
        BufferedReader in =  new BufferedReader(new InputStreamReader(smtpSocket.getInputStream()));
        PrintWriter pr = new PrintWriter(smtpSocket.getOutputStream(),true);
        String initialID = in.readLine();
        System.out.println(initialID);


        //authentication for sendgrid smtp server
        pr.println("auth login");
        System.out.println(in.readLine());
        pr.println("YXBpa2V5");
        System.out.println(in.readLine());
        pr.println("U0cuN1g1c04zaDNTeHFBeXJGSjZhS01fQS56SGNRdC1qaVMxd2pXZjAyanhPQzVod3NoeTlNYXZWZ01hb0JxdVMtWUl3");
        System.out.println(in.readLine());



        pr.println("HELO "+localHost.getHostName());
        String welcome = in.readLine();
        System.out.println(welcome);

        //setting the sender
        pr.println("MAIL FROM:<anfuad23@gmail.com>");
        System.out.println(in.readLine());

        //setting the receiver
        pr.println("RCPT TO:<tameem.bin.haider.101@gmail.com>");
        System.out.println(in.readLine());

        //data
        pr.println("DATA");
        System.out.println(in.readLine());


        //email body
        pr.println("Subject: hudai message");
        pr.println("From: anfuad23@gmail.com");
        pr.println("To: tameem.bin.haider.101@gmail.com");
        pr.println();
        pr.println("moira ja harami");
        pr.println(".");
        System.out.println(in.readLine());

        //closing
        pr.println("QUIT");
        System.out.println(in.readLine());

    }
}