minte9

learningjourney

SETUP

 
Add libraries:
    - lib/javax.mai.jar
    - lib/activation.jar

Add /lib folder to source path

HOST

 
import java.util.Properties;

import javax.mail.Session;
import javax.mail.Message;
import javax.mail.Transport;
import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

class App {

    public static void main(String[] args) {
        
        // Set SMTP server
        Properties props = new Properties();
        props.put("mail.smtp.host", "smtp.mail.yahoo.com");
        Session session = Session.getDefaultInstance(props, null);

        // Set message
        String to = "myuser@yahoo.com";
        String from = "myuser@yahoo.com";
        String subject = "Java Mail Api - test";
        Message msg = new MimeMessage(session);
        try{
            msg.setFrom(new InternetAddress(from));
            msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
            msg.setSubject(subject);
            msg.setText("Hello JavaMail Api!");
            
            // Send message
            Transport.send(msg);
            System.out.println("Message sent");
        } catch (MessagingException e) {e.printStackTrace();}
    }
}

AUTH

 
import java.util.Properties;

import javax.mail.Session;
import javax.mail.Message;
import javax.mail.Transport;
import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.PasswordAuthentication;

class App {

    public static void main(String[] args) {
        
        // Set SMTP server - Simple (1)
        /*
        Properties props = new Properties();
        props.put("mail.smtp.host", "smtp.mail.yahoo.com");
        Session session = Session.getDefaultInstance(props, null);
        */

        // Set SMTP server - Auth (2)
        Properties props = new Properties();
        props.put("mail.smtp.host", "smtp.mail.yahoo.com");
        props.put("mail.smtp.port", "587"); // TSL (465 SSLis deprecated)
        props.put("mail.smtp.starttls.enable", "true"); // TSL
        props.put("mail.smtp.connectiontimeout", "10000"); // 10s
        props.put("mail.smtp.timeout", "10000");
        props.put("mail.smtp.auth", "true");
        props.put("mail.debug", "true");   
        Session session = Session.getInstance(props, 
                        new javax.mail.Authenticator() {
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication("myuser", "xxxxxxxxxxx");
                    // yahoo account / security / generate app password
            }
        });

        // Set message
        String to = "myuser@yahoo.com";
        String from = "myuser@yahoo.com";
        String subject = "Java Mail Api - test";
        Message msg = new MimeMessage(session);
        try{
            msg.setFrom(new InternetAddress(from));
            msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
            msg.setSubject(subject);
            msg.setText("Hello JavaMail Api!");
            
            // Send message
            Transport.send(msg);
            System.out.println("Message sent");
        } catch (MessagingException e) {e.printStackTrace();}
    }
}