MailSenderWithRandomDelay

import java.util.*;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import javax.mail.*;
import javax.mail.internet.*;
import java.io.File;
import java.util.Scanner;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.concurrent.ThreadLocalRandom;
import java.util.Random;

public class EmailSenderFromFile {
    public static void main(String[] args) throws IOException, InterruptedException {
        Scanner scan = new Scanner(System.in);

        Path fileName = Path.of("D:/JavaBasicBabyBeginner/NestedConditionalStatment/Java-Fundamentals-May-2020/11 Arrays Exercise/src/emailText2.txt");

        Files.readString(fileName);
        // String actual = Files.readString(fileName);
        Files.readString(fileName);
        //String actual = Files.readString(fileName);
        List<String> stringList = Files.readAllLines(fileName);


        String importantInfo[] = stringList.toArray(new String[]{});
        Random rand = new Random();

        int min = 600000;
        int max = 1560000;

        for (int i = 0; i < importantInfo.length;i++) {
            int delay = rand.nextInt((max - min) + 1) + min;
            //Pause for 4 seconds
            Thread.sleep(delay);
            //Print a message
            System.out.println(importantInfo[i]);
            int minutes = delay/60000;
            System.out.println("Delay EMAIL with= "+ minutes + " minutes" );


            final String username = "rado*****@*****.com";  // like [email protected]
            final String password = "*******";   // password here

            Properties props = new Properties();
            props.put("mail.smtp.auth", "true");
            props.put("mail.smtp.starttls.enable", "true");
            props.put("mail.smtp.host", "smtp-mail.outlook.com");

            props.put("mail.smtp.port", "587");

            Session session = Session.getInstance(props,
                    new javax.mail.Authenticator() {
                        @Override
                        protected PasswordAuthentication getPasswordAuthentication() {
                            return new PasswordAuthentication(username, password);
                        }
                    });
            session.setDebug(true);

            try {

                Message message = new MimeMessage(session);
                message.setFrom(new InternetAddress(username));


                message.addRecipients(Message.RecipientType.BCC,
                          InternetAddress.parse((importantInfo[i])));   // like [email protected]
                message.setSubject("90000 Samo za proba BCC");
                message.setText("Hello, this is example of sending Java email with 90000 milliseconds delay , message should be deleted, you can't see the sender list");

                Transport.send(message);

                System.out.println("Done");

            } catch (MessagingException e) {
                throw new RuntimeException(e);
            }
        }
    }
}