spring中JavaMailSenderImpl的使用

<!-- 邮件发送 -->
<bean id="JavaMailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<property name="host" value="smtp.qq.com"></property>
<property name="username" value="123456"></property>
<property name="password" value="123456"></property>
<!-- 相当于javax.mail.Session中的props属性-->
<property name="javaMailProperties">
<props>
<prop key="mail.smtp.auth">true</prop>
<prop key="mail.smtp.from">123456@qq.com</prop>
<prop key="mail.debug">true</prop>
</props>
</property>
</bean>

@Autowired
private JavaMailSenderImpl javaMailSenderImpl;
// 下面是方法里的一部分内容
     MimeMessage mimeMessage = javaMailSenderImpl.createMimeMessage();
try {
MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true, "UTF-8");
mimeMessageHelper.setFrom("123456@qq.com");
mimeMessageHelper.setTo(email);
mimeMessageHelper.setSubject("激活账号");
mimeMessageHelper.setText(sb.toString(), true);
mimeMessageHelper.addAttachment("activation-1.1.jar", new File("C:\\Users\\Administrator\\Desktop\\activation\\activation-1.1.jar"));
mimeMessageHelper.addAttachment("activation-1.1-sources.jar", new File("C:\\Users\\Administrator\\Desktop\\activation\\activation-1.1-sources.jar"));
javaMailSenderImpl.send(mimeMessage);
} catch (MessagingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}