/*from dust i have come, dust i will be*/
package javaP;


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

public class Main {

    private static Socket smtpSocket;
    private static BufferedReader br;
    private static PrintWriter pr;

    public static void closing() throws IOException {
        smtpSocket.close();
        br.close();
        pr.close();
        System.exit(0);
    }

    public static void main(String[] args) throws IOException {

        //----------------------------------------------------------------
        //init
        String mailServerAddress = "smtp.sendgrid.net";

        InetAddress mailHost = InetAddress.getByName(mailServerAddress);
        InetAddress localHost = InetAddress.getLocalHost();

        smtpSocket = new Socket(mailHost, 587);

        br = new BufferedReader(new InputStreamReader(smtpSocket.getInputStream()));
        pr = new PrintWriter(smtpSocket.getOutputStream(), true);  //no need to call flush
        //----------------------------------------------------------------

        String post,get;

        //after connection
        get=br.readLine();
        System.out.println(get);


        //auth
        pr.println("AUTH LOGIN");
        get=br.readLine();
        System.out.println("tried auth. "+get);


        //send your username - base64 encoding of "apikey"
        pr.println("YXBpa2V5");
        get=br.readLine();
        System.out.println("username sent. "+get);

        //generate an api key and get its base64 encoding
        pr.println("U0cuN1g1c04zaDNTeHFBeXJGSjZhS01fQS56SGNRdC1qaVMxd2pXZjAyanhPQzVod3NoeTlNYXZWZ01hb0JxdVMtWUl3");
        get=br.readLine();
        System.out.println("api sent. "+get);

        //helo
        pr.println("HELO");
        get=br.readLine();
        System.out.println("sent hello "+get);

        //my mail
        pr.println("mail from:<tameem.bin.haider.101@gmail.com>");
        get=br.readLine();
        System.out.println(get);

        //rcpt
        pr.println("rcpt to:<waqar.hassan866@gmail.com>");
        get=br.readLine();
        System.out.println(get);

        //rcpt2
        pr.println("rcpt to:<tameem.bin.haider.101@gmail.com>");
        get=br.readLine();
        System.out.println(get);

        //data
        pr.println("DATA");
        get=br.readLine();
        System.out.println(get);


        //
        pr.println("Subject:testing smtp");
        pr.println("From:<tameem.bin.haider.101@gmail.com>");
        //pr.println("To:<waqar.hassan866@gmail.com>");
        pr.println("hello from 104");
        pr.println(".");
        get=br.readLine();
        System.out.println(get+" mail sent");

        //----------------------------------------------------------------
        //quit
        post = "QUIT";
        pr.println(post);
        get = br.readLine();
        System.out.println(get);

        closing();
        //----------------------------------------------------------------
    }
}