Send E-mail using spring 3

<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>SpringJavaBasedConfig</groupId>
	<artifactId>SpringJavaBasedConfig</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<properties>
		<spring.version>3.2.0.RELEASE</spring.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>${spring.version}</version>
		</dependency>
		<dependency>
			<groupId>javax.mail</groupId>
			<artifactId>mail</artifactId>
			<version>1.4.7</version>
		</dependency>
	</dependencies>
</project>

package com.java2novice.services;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.MailSender;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.stereotype.Service;

@Service("emailService")
public class EmailService {

	@Autowired
	private MailSender mailSender;
	
	public void sendEmail(String to, String from, String sub, String msgBody){
		
		SimpleMailMessage message = new SimpleMailMessage();
		message.setFrom(from);
		message.setTo(to);
		message.setSubject(sub);
		message.setText(msgBody);
		mailSender.send(message);
	}
}

<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
	http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
	http://www.springframework.org/schema/context 
	http://www.springframework.org/schema/context/spring-context-3.0.xsd">
	
    <context:component-scan base-package="com.java2novice" /> 
    
    <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
		<property name="host" value="smtp.gmail.com" />
		<property name="port" value="587" />
		<property name="username" value="user_name" />
		<property name="password" value="password" />
	 
		<property name="javaMailProperties">
		   <props>
		       	<prop key="mail.transport.protocol">smtp</prop>	
	       	      <prop key="mail.smtp.auth">true</prop>
	       	      <prop key="mail.smtp.starttls.enable">true</prop>
	       	      <prop key="mail.debug">true</prop>
	       	   </props>
		</property>
	</bean>
    
</beans>

package com.java2novice.test;

import org.springframework.context.ConfigurableApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.java2novice.services.EmailService;

public class SpringDemo {

	public static void main(String a[]){

		String confFile = "applicationContext.xml";
		ConfigurableApplicationContext context 
						= new ClassPathXmlApplicationContext(confFile);
		EmailService emailService = (EmailService) context.getBean("emailService");
		String toAddr = "[email protected]";
		String fromAddr = "[email protected]";
		String subject = "My Test Mail";
		String body = "Test mail body";
		emailService.sendEmail(toAddr, fromAddr, subject, body);
	}
}

DEBUG: JavaMail version 1.4.7
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle]
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: trying to connect to host "smtp.gmail.com", port 587, isSSL false
220 mx.google.com ESMTP lq6sm11044811pab.48 - gsmtp
DEBUG SMTP: connected to host "smtp.gmail.com", port: 587

EHLO 192.168.1.4
250-mx.google.com at your service, [122.166.147.61]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250 CHUNKING
DEBUG SMTP: Found extension "SIZE", arg "35882577"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "STARTTLS", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
STARTTLS
220 2.0.0 Ready to start TLS
EHLO 192.168.1.4
250-mx.google.com at your service, [122.166.147.61]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH XOAUTH2 PLAIN-CLIENTTOKEN
250-ENHANCEDSTATUSCODES
250 CHUNKING
DEBUG SMTP: Found extension "SIZE", arg "35882577"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN PLAIN XOAUTH XOAUTH2 PLAIN-CLIENTTOKEN"
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Attempt to authenticate using mechanisms: LOGIN PLAIN DIGEST-MD5 NTLM 
DEBUG SMTP: AUTH LOGIN command trace suppressed
DEBUG SMTP: AUTH LOGIN succeeded
DEBUG SMTP: use8bit false
MAIL FROM:<[email protected]>
250 2.1.0 OK lq6sm11044811pab.48 - gsmtp
RCPT TO:<[email protected]>
250 2.1.5 OK lq6sm11044811pab.48 - gsmtp
DEBUG SMTP: Verified Addresses
DEBUG SMTP:   [email protected]
DATA
354  Go ahead lq6sm11044811pab.48 - gsmtp
Date: Thu, 17 Jul 2014 20:24:34 +0530 (GMT+05:30)
From: [email protected]
To: [email protected]
Message-ID: <[email protected]l>
Subject: My Test Mail
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

Test mail body
.
250 2.0.0 OK 1405608876 lq6sm11044811pab.48 - gsmtp
QUIT
221 2.0.0 closing connection lq6sm11044811pab.48 - gsmtp