javamail 发送邮件_system.err: c.b.o: smtp-优快云博客

本文链接：https://blog.youkuaiyun.com/luweihualulei/article/details/75976345
/*
//创建一个发送邮件实例

SendMail sendmail=new SendMail();                           
sendmail.sendEmailToSomebody("<html><body>"+cx[b][2]+":你好!<br/>---你上月的工资为"+cx[b][3]+"元,已经发放到你银行卡账户上了!请注意及时查看确认!祝你工作愉快！</body></html>","上月工资发放通知:",yemail);
*/

package sendemail;

import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Date;
import javax.activation.*;
import java.io.*;


public class sendMail {

  private MimeMessage mimeMsg;  //MIME邮件对象
  private Session session;      //邮件会话对象
  private Properties props;     //系统属性
  private boolean needAuth = false;  //smtp是否需要认证
  private String username = "";  //smtp认证用户名和密码
  private String password = "";
  private Multipart mp;    //Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象

  public sendMail() {
    //setSmtpHost(getConfig.mailHost);//如果没有指定邮件服务器,就从getConfig类中获取
    createMimeMessage();
  }

  public sendMail(String smtp){
    setSmtpHost(smtp);
    createMimeMessage();
  }
  public void setSmtpHost(String hostName) {
    System.out.println("设置系统属性：mail.smtp.host = "+hostName);
    if(props == null)props = System.getProperties();  //获得系统属性对象

    props.put("mail.smtp.host",hostName); //设置SMTP主机
  }
  public boolean createMimeMessage()
  {
    try{
      System.out.println("准备获取邮件会话对象！");
      session = Session.getDefaultInstance(props,null);   //获得邮件会话对象
    }
    catch(Exception e){
      System.err.println("获取邮件会话对象时发生错误！"+e);
      return false;
    }

    System.out.println("准备创建MIME邮件对象！");
    try{
      mimeMsg = new MimeMessage(session);   //创建MIME邮件对象
      mp = new MimeMultipart();

      return true;
    }
    catch(Exception e){
      System.err.println("创建MIME邮件对象失败！"+e);
      return false;
    }
  }
  public void setNeedAuth(boolean need) {
    System.out.println("设置smtp身份认证：mail.smtp.auth = "+need);
    if(props == null)props = System.getProperties();

    if(need){
      props.put("mail.smtp.auth","true");
    }else{
      props.put("mail.smtp.auth","false");
    }
  }
  public void setNamePass(String name,String pass) {
    username = name;
    password = pass;
  }
  public boolean setSubject(String mailSubject) {
    System.out.println("设置邮件主题！");
    try{
      mimeMsg.setSubject(mailSubject);
      return true;
    }
    catch(Exception e) {
      System.err.println("设置邮件主题发生错误！");
      return false;
    }
  }
  public boolean setBody(String mailBody) {
    try{
      BodyPart bp = new MimeBodyPart();
      bp.setContent("<meta http-equiv=Content-Type content=text/html charset=gb2312>"+mailBody,"text/html;charset=GB2312");
      mp.addBodyPart(bp);

      return true;
    }
    catch(Exception e){
      System.err.println("设置邮件正文时发生错误！"+e);
      return false;
    }
  }
  public boolean addFileAffix(String filename) {

 System.out.println("增加邮件附件："+filename);

 try{
      BodyPart bp = new MimeBodyPart();
      FileDataSource fileds = new FileDataSource(filename);
      bp.setDataHandler(new DataHandler(fileds));
      bp.setFileName(fileds.getName());

      mp.addBodyPart(bp);

      return true;
    }
    catch(Exception e){
      System.err.println("增加邮件附件："+filename+"发生错误！"+e);
      return false;
    }
  }
  public boolean setFrom(String from) {
    System.out.println("设置发信人！");
    try{
      mimeMsg.setFrom(new InternetAddress(from));//设置发信人
      return true;
    }
    catch(Exception e)
    { return false; }
  }
  public boolean setTo(String to){
    if(to == null)return false;

    try{
      mimeMsg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to));
      return true;
    }
    catch(Exception e)
    {   return false;   }

  }
  public boolean setCopyTo(String copyto)
  {
    if(copyto == null)return false;
    try{
      mimeMsg.setRecipients(Message.RecipientType.CC,(Address[])InternetAddress.parse(copyto));
      return true;
    }
    catch(Exception e)
    { return false; }
  }

  public boolean sendout()
  {
    try{
      mimeMsg.setContent(mp);
      mimeMsg.saveChanges();
      System.out.println("正在发送邮件....");

      Session mailSession = Session.getInstance(props,null);
      Transport transport = mailSession.getTransport("smtp");
      transport.connect((String)props.get("mail.smtp.host"),username,password);
      transport.sendMessage(mimeMsg,mimeMsg.getRecipients(Message.RecipientType.TO));
      //transport.send(mimeMsg)&#59;

      System.out.println("发送邮件成功！");
      transport.close();

      return true;
    }
    catch(Exception e)
    {
      System.err.println("邮件发送失败！"+e);
      return false;
    }
  }

  public static void main(String[] args) {

    String mailbody ="<meta http-equiv=Content-Type content=text/html&#59; charset=gb2312>"+
        "<div align=center><h1>我是XX!<h1></div>";

    sendMail themail = new sendMail("smtp.sohu.com");//sohu邮件服务器 可以是其它
    themail.setNeedAuth(true);

    if(themail.setSubject("标题") == false) return;
    if(themail.setBody(mailbody) == false) return;
    if(themail.setTo("xxxxxxxxx@qq.com") == false) return;//收件人邮箱
    if(themail.setFrom("sohu账号@sohu.com") == false) return;//发件人sohu账号
    //if(themail.addFileAffix("c:\\boot.ini") == false) return;
    themail.setNamePass("sohu账号","sohu账号密码");

    if(themail.sendout() == false) return;    
  }
}