如何在spring中使用maven发送邮件

package com.baidu.action;

import org.springframework.mail.MailSender;
import org.springframework.mail.SimpleMailMessage;
/**
 * -----------------------------------------
 * 文件: Email.java
 * 邮箱: fengemail04@sina.com
 * 描述: 发送Email工具类
 * -----------------------------------------
 */
public class Email {

 private MailSender mailSender;
 private SimpleMailMessage simpleMailMessage;

 /**
  * 方法名: sendMail 
  * 参数名：@param subject 邮件主题
  * 参数名：@param content 邮件主题内容
  * 参数名：@param to  收件人Email地址
  * 描述语: 发送邮件
  */
 public void sendMail(String subject, String content, String to) {

  simpleMailMessage.setSubject(subject); //设置邮件主题
  simpleMailMessage.setTo(to);    //设定收件人
  simpleMailMessage.setText(content); //设置邮件主题内容
  mailSender.send(simpleMailMessage); //发送邮件
 }
  //Spring 依赖注入
 public void setSimpleMailMessage(SimpleMailMessage simpleMailMessage) {
  this.simpleMailMessage = simpleMailMessage;
 }
  //Spring 依赖注入 
 public void setMailSender(MailSender mailSender) {
  this.mailSender = mailSender;
 }
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 xsi:schemaLocation="http://www.springframework.org/schema/beans 
  http://www.springframework.org/schema/beans/spring-beans-3.1.xsd">

 <bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
  <!-- 服务器 -->
  <property name="host" value="smtp.sina.com" />
  <!-- 端口号 -->
  <property name="port" value="25" />
  <!-- 用户名 -->
  <property name="username" value="fengemail04@sina.com" />
  <!-- 密码 -->
  <property name="password" value="密码需要在邮箱里设置,或者给邮箱权限开启" />
  <!-- SMTP服务器验证 -->
  <property name="javaMailProperties">
   <props>
    <!-- 验证身份 -->
    <prop key="mail.smtp.auth">true</prop>
   </props>
  </property>
 </bean>
 <!-- 
  目前我用过的EMAIL账号都是网易的,下面列出网易的SMTP服务器名和端口号:
  网易邮箱   SMTP服务器  SMTP端口  POP3服务器  POP3端口
  @126.com  smtp.126.com  25   pop3.126.com  110
  @163.com  smtp.163.com  25   pop3.163.com  110
  @yeah.net smtp.yeah.net  25   pop3.yeah.net  110
 -->

 <bean id="simpleMailMessage" class="org.springframework.mail.SimpleMailMessage">
  <!-- 发件人email -->
  <property name="from" value="fengemail04@sina.com" />

 </bean>

 <bean id="simpleMail" class="com.baidu.action.Email">
  <property name="mailSender" ref="mailSender" />
  <property name="simpleMailMessage" ref="simpleMailMessage" />
 </bean>

</beans>

package com.baidu.test;

import junit.framework.TestCase;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import com.baidu.action.Email;
/**
 * -----------------------------------------
 * 文件: EmailTest.java
 * 描述: Junit测试,运行将发送一封email
 * -----------------------------------------
 */
public class EmailTest extends TestCase {

 public void testSendMail() {
  ApplicationContext context = new ClassPathXmlApplicationContext("spring-smtp-mail.xml");
  Email mail = (Email)context.getBean("simpleMail");
  mail.sendMail("标题", "内容", "fengemail05@sina.com");
  //mail.sendMail("标题", "内容", "收件人邮箱");
 }

}

<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/maven-v4_0_0.xsd">
 <modelVersion>4.0.0</modelVersion>
 <groupId>com.baidu.maven</groupId>
 <artifactId>mailtest02</artifactId>
 <packaging>war</packaging>
 <version>0.0.1-SNAPSHOT</version>
 <name>mailtest02 Maven Webapp</name>
 <url>http://maven.apache.org</url>
 <properties>
 <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 </properties>

 <dependencies>


 <dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-core</artifactId>
  <version>3.2.4.RELEASE</version>
 </dependency>
 <dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-context</artifactId>
  <version>3.2.4.RELEASE</version>
 </dependency>

 <dependency>
  <groupId>javax.mail</groupId>
  <artifactId>mail</artifactId>
  <version>1.4.4</version>
 </dependency>

 <dependency>
  <groupId>junit</groupId>
  <artifactId>junit</artifactId>
  <version>3.8.1</version>
  <scope>test</scope>
 </dependency>
 <dependency>
  <groupId>org.springframework</groupId>
  <artifactId>spring-context-support</artifactId>
  <version>3.2.13.RELEASE</version>
 </dependency>


 </dependencies>
 <build>
 <finalName>mailtest02</finalName>
 </build>
</project>