使用java底层实现邮件的发送(含测试，源码)

/**  
* @Title: Mail.java
* @Package org.service.impl
* @Description: TODO该方法的主要作用：
* @author A18ccms A18ccms_gmail_com  
* @date 2017-5-30 下午10:20:35
* @version V1.0  
*/
package org.service.impl;
import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
 /**   
 *    
 * 项目名称：spring_Schop8   
 * 类名称：Mail   
 * 类描述：   不用spring实现邮件发送
 * 创建人：Mu Xiongxiong  
 * 创建时间：2017-5-30 下午10:20:35   
 * 修改人：Mu Xiongxiong   
 * 修改时间：2017-5-30 下午10:20:35   
 * 修改备注：   
 * @version    
 *    
 */
public class Mail {
  
  private String mailServer,from ,to , mailSubject,mailContent,username,password;
  public Mail(String mailServer, String from, String to, String mailSubject,
      String mailContent, String username, String password) {
    this.mailServer = mailServer;
    this.from = from;
    this.to = to;
    this.mailSubject = mailSubject;
    this.mailContent = mailContent;
    this.username = username;
    this.password = password;
  }
  public Mail() {
    username = "tina";
    password = "123"; 
    mailServer = "mail.com";
    from  = "tina@mail.com";
    to  = "jerry@mail.com";
    mailSubject = "问好";
    mailContent = "好久没见，最近可好！";
    
  }
  
  public void send(){
    //设置服务器
    Properties prop = System.getProperties();
    prop.put("mail.smtp.host", mailServer);
    prop.put("mail.smtp.auth", "true");
    //产生Session服务
    EmailAuthenticator mailauth = new EmailAuthenticator(username, password);
    Session mailSession = Session.getInstance(prop,(Authenticator)mailauth);
    //封装message对象
    Message message = new MimeMessage(mailSession);
    try {
      message.setFrom(new InternetAddress(from));    //设置发送人
      message.setRecipient(Message.RecipientType.TO, new InternetAddress(to)); //设置主题
      message.setSubject(mailSubject);                                      //设置标题
      message.setContent(mailContent,"text/html;charset=utf-8");            //设置内容
      message.setSentDate(new Date());                                      //设置日期
      //和粗昂就爱你Transport实例
      Transport tran = mailSession.getTransport("smtp");
      tran.send(message, message.getAllRecipients());
      tran.close();
    } catch (AddressException e) {
      // TODO 异常执行块！
      e.printStackTrace();
    } catch (MessagingException e) {
      // TODO 异常执行块！
      e.printStackTrace();
    }    //
    
  }
  
  
}

package org.service.impl;
import javax.mail.Authenticator;
import javax.mail.PasswordAuthentication;
import org.hibernate.validator.constraints.Email;
public class EmailAuthenticator extends Authenticator {
  private String username=null;
  private String userpass = null;
  
  
  
  public EmailAuthenticator(String username, String userpass) {
    super();
    this.username = username;
    this.userpass = userpass;
  }
  public  PasswordAuthentication getPasswordAuthentication(){
    return new PasswordAuthentication(username, userpass);
  }
  
  
  public String getUsername() {
    return username;
  }
  public void setUsername(String username) {
    this.username = username;
  }
  public String getUserpass() {
    return userpass;
  }
  public void setUserpass(String userpass) {
    this.userpass = userpass;
  }
  
}

/**
   * 
  * @Title: testMail1
  * @Description: 该方法的主要作用：java实现底层的邮件发送
  * @param   设定文件  
  * @return  返回类型：void   
  * @throws
   */
  @Test
  public void testMail1(){
    Mail mail = new Mail();
    mail.send();
    System.out.println("发送成功");
  }