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Home Java

Java Send Email Tutorial | 100% Best for beginners

January 1, 2021 - Updated on October 26, 2021
in Java
Reading Time: 2 mins read
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send email using java
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Contents

  • Java Send Email Tutorial
    • How to send email using Java
      • Example code
  • Possible Error
  • YouTube Video

Java Send Email Tutorial

To send email using Java is very simple but you must have the Application Programming Interface (API) and the Java Activation Framework (JAF). That’s how the Java send email works.

  • You can download the JAF here. 

Download and unzip the file. You only need the activation.jar and javax.mail.jar to add to your library.

Java send email

How to send email using Java

Example code

import java.util.Properties;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class Mail_API {

    String host = "smtp.gmail.com";
    String sender = "youremail@gmail.com";
    String password = "your email password";

    public void SendMailAPI() {
        Properties prop = new Properties();
        prop.put("mail.smtp.auth", "true");
        prop.put("mail.smtp.starttls.enable", "true");
        prop.put("mail.smtp.host", host);
        prop.put("mail.smtp.port", "587");

        Session session = Session.getInstance(prop, new javax.mail.Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(sender, password);
            }
        });

        try {
            MimeMessage message = new MimeMessage(session);
            message.setFrom(new InternetAddress(sender));
            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse("SendEmailTo@gmail.com"));
            message.setSubject("Test Subject");
            message.setText("This is a message");
            Transport.send(message);
            System.out.println("Message Sent");
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}

Possible Error

If your Java application doesn’t run because of this error “username and password not accepted“. You must activate the Less secure app access in your Google Account. To fix this, go to your Google Account / Security / Less Secure App Access. Activate the Less secure app access to successfully run your Java application.

Java Send Email

YouTube Video

Java Tutorial: Part 2 How to send email in java
Watch this video on YouTube.

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100% best Java swing mailing Graphical User Interface (GUI)

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KENSOFT

KENSOFT

What’s up! Kent is my name. The name KENSOFT is derived from the words Kent and Software. My programming language of choice is Java

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