How to Send Email Using Java Gmail SMTP With SSL

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How to Send Email Using Java Gmail SMTP With SSL

In this article, I am going to explaining How to Send Email Using Java Gmail SMTP With SSL. SSL is a secure layer. To send email insecurely, have to use Gmail SSL port to establish a Gmail SMTP connection.

 

In the following, sending an email text body by using java Gmail SMTP With SSL.

Gmail SMTP SSL Port: 465

Gmail SSL Code

properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");

Pre-requisites

  1. 1. Java 1.8
  2. 2. Eclipse IDE

In eclipse, Create maven project and add the Java mail API dependency jar in pom.xml as follows

POM.xml

<project xmlns="http://maven.apache.org/POM/4.0.0"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.narayanatutorial</groupId>
	<artifactId>JavaMail</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>JavaMail</name>
	<url>http://maven.apache.org</url>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
	</properties>

	<dependencies>

		<!-- https://mvnrepository.com/artifact/javax.mail/mail -->
		<dependency>
			<groupId>javax.mail</groupId>
			<artifactId>mail</artifactId>
			<version>1.4.7</version>
		</dependency>


		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>3.8.1</version>
			<scope>test</scope>
		</dependency>
	</dependencies>
</project>

GmailTextMsgSendWithSSL.java

 

package com.narayanatutorial.gmail;

import java.util.Properties;

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

public class GmailTextMsgSendWithSSL {

	Properties properties;
	Session session;
	MimeMessage mimeMessage;

	String USERNAME = "[email protected]";
	String PASSWORD = "XXXXXX";
	String HOSTNAME = "smtp.gmail.com";
	String SSL_PORT = "465";
	boolean AUTH = true;
	String SERVERTYPE = "smtp";

	public static void main(String args[]) throws MessagingException {
		String EmailSubject = "Subject:Text Subject";
		String EmailBody = "Text Message Body: Hello World";
		String ToAddress = "[email protected]";

		GmailTextMsgSendWithSSL gmailTextMsgSend = new GmailTextMsgSendWithSSL();
		gmailTextMsgSend.sendGmail(EmailSubject, EmailBody, ToAddress);
	}

	public void sendGmail(String EmailSubject, String EmailBody, String ToAddress) {
		try {
			properties = new Properties();
			properties.put("mail.smtp.host", HOSTNAME);

			// SSL_PORT Enabled
			properties.put("mail.smtp.port", SSL_PORT);

			// AUTH Enabled
			properties.put("mail.smtp.auth", AUTH);

			// SSL Enabled
			properties.put("mail.smtp.socketFactory.port", SSL_PORT);
			properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");

			// Authenticating
			Authenticator auth = new Authenticator() {
				protected PasswordAuthentication getPasswordAuthentication() {
					return new PasswordAuthentication(USERNAME, PASSWORD);
				}
			};

			// creating session
			session = Session.getDefaultInstance(properties, auth);

			// create mimemessage
			mimeMessage = new MimeMessage(session);
			mimeMessage.addRecipient(RecipientType.TO, new InternetAddress(ToAddress));
			mimeMessage.setSubject(EmailSubject);

			// setting text message body
			mimeMessage.setText(EmailBody);

			// sending mail
			Transport.send(mimeMessage);
			System.out.println("Mail Send Successfully");

		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}

 

Some other important links

Gmail SMTP SSL – Sending Email Using JavaMail API

How to send HTML Email Body Using Java Gmail SMTP

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