javax.mail 调用企业邮箱发送邮件，调用个人邮箱发送邮件

package com;

import java.util.Properties;

import javax.mail.Authenticator;

import javax.mail.BodyPart;

import javax.mail.Message;

import javax.mail.Multipart;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

import com.abcchina.PopupAuthenticator;

public class Send {
public static void main(String[] args) throws Exception {
Properties props = new Properties();

String host = "smtp.ym.163.com"; // 163免费企业邮箱的smtp服务器
String from = "web@longxrnd.com"; // 我的企业邮箱地址
String to = "wangyonglin1@sina.com"; // 邮件要发送到的邮箱地址
String username = "web";
String password = "******"; //
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.host", host);
String content = "hello";
String subJect="这是一个好消息1";

//认证的时候用的是 邮箱全拼 密码   而不是用户 密码 这点要注意
Authenticator smtpAuth = new PopupAuthenticator(
from, password);

Session session = Session.getDefaultInstance(props, smtpAuth);
session.setDebug(true);
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
BodyPart mdp = new MimeBodyPart();
mdp.setContent(content, "text/html;charset=gb2312");
Multipart mm = new MimeMultipart();
mm.addBodyPart(mdp);
message.setContent(mm);
message.setSubject(subJect);
message.saveChanges();
Transport transport = session.getTransport("smtp");
transport.connect(host, username, password);//链接的时候用的是 用户名 密码   而不是邮箱全拼 密码 这点要注意
transport.sendMessage(message, message.getAllRecipients());
transport.close();
}
}

=======================================================

package com.abcchina;

import javax.mail.Authenticator;

import javax.mail.PasswordAuthentication;

public class PopupAuthenticator extends Authenticator {
 String    username=null;

      String    password=null;

      public PopupAuthenticator(){}

      

      public PopupAuthenticator(String username,String password
){

     this.username=username;

     this.password=password;

      }

      public PasswordAuthentication performCheck(String user,String pass){

             username = user;

             password = pass;

             return getPasswordAuthentication();

      }

      protected PasswordAuthentication getPasswordAuthentication() {

             return new PasswordAuthentication(username, password); 

      } 

}

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