Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.net.Socket;
import java.text.DateFormat;
import java.util.Date;
import java.util.Locale;

public class Main {
    public static void main(String[] args) throws Exception {
        String host = "host";
        int port = 25;
        String from = "from@from.net";
        String toAddr = "to@to.net";

        Socket servSocket = new Socket(host, port);
        DataOutputStream os = new DataOutputStream(servSocket.getOutputStream());
        DataInputStream is = new DataInputStream(servSocket.getInputStream());

        if (servSocket != null && os != null && is != null) {
            os.writeBytes("HELO\r\n");
            os.writeBytes("MAIL From:" + from + " \r\n");
            os.writeBytes("RCPT To:" + toAddr + "\r\n");
            os.writeBytes("DATA\r\n");
            os.writeBytes("X-Mailer: Java\r\n");
            os.writeBytes(
                    "DATE: " + DateFormat.getDateInstance(DateFormat.FULL, Locale.US).format(new Date()) + "\r\n");
            os.writeBytes("From:" + from + "\r\n");
            os.writeBytes("To:" + toAddr + "\r\n");
        }

        os.writeBytes("Subject:\r\n");
        os.writeBytes("body\r\n");
        os.writeBytes("\r\n.\r\n");
        os.writeBytes("QUIT\r\n");
        String responseline;
        while ((responseline = is.readUTF()) != null) {
            if (responseline.indexOf("Ok") != -1)
                break;
        }
    }
}