Java implementiert einen erfolgreichen Fall des Sendens von E-Mails vom 163-Postfach zum qq-Postfach

package test; 
  
import java.util.ArrayList; 
import java.util.Date; 
import java.util.List; 
import java.util.Properties; 
import java.util.regex.Matcher; 
import java.util.regex.Pattern; 
import javax.mail.Address; 
import javax.mail.Authenticator; 
import javax.mail.BodyPart; 
import javax.mail.Message; 
import javax.mail.PasswordAuthentication; 
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.sun.mail.util.MailSSLSocketFactory; 
  
///** 
// * 
// * @author tuzongxun123 
// * @Description 邮件发送测试类 
// */ 
public class sendMailTest { 
 public static void main(String[] args) throws Exception { 
  // 配置信息 
  Properties pro = new Properties(); 
  pro.put("mail.smtp.host", "smtp.163.com"); 
  pro.put("mail.smtp.auth", "true"); 
  // SSL加密 
  MailSSLSocketFactory sf = null; 
  sf = new MailSSLSocketFactory(); 
  // 设置信任所有的主机 
  sf.setTrustAllHosts(true); 
  pro.put("mail.smtp.ssl.enable", "true"); 
  pro.put("mail.smtp.ssl.socketFactory", sf); 
  // 根据邮件的会话属性构造一个发送邮件的Session，这里需要注意的是用户名那里不能加后缀，否则便不是用户名了 
  //还需要注意的是，这里的密码不是正常使用邮箱的登陆密码，而是客户端生成的另一个专门的授权码 
  MailAuthenticator authenticator = new MailAuthenticator("tuzongxun123", 
    "客户端授权码"); 
  Session session = Session.getInstance(pro, authenticator); 
  // 根据Session 构建邮件信息 
  Message message = new MimeMessage(session); 
  // 创建邮件发送者地址 
  Address from = new InternetAddress("tuzongxun123@163.com"); 
  // 设置邮件消息的发送者 
  message.setFrom(from); 
  // 验证收件人邮箱地址 
  List<String> toAddressList = new ArrayList<>(); 
  toAddressList.add("1160569243@qq.com"); 
  StringBuffer buffer = new StringBuffer(); 
  if (!toAddressList.isEmpty()) { 
   String regEx = "^([a-z0-9A-Z]+[-|\\.]?)+[a-z0-9A-Z]@([a-z0-9A-Z]+(-[a-z0-9A-Z]+)?\\.)+[a-zA-Z]{2,}$"; 
   Pattern p = Pattern.compile(regEx); 
   for (int i = 0; i < toAddressList.size(); i++) { 
    Matcher match = p.matcher(toAddressList.get(i)); 
    if (match.matches()) { 
     buffer.append(toAddressList.get(i)); 
     if (i < toAddressList.size() - 1) { 
      buffer.append(","); 
     } 
    } 
   } 
  } 
  String toAddress = buffer.toString(); 
  if (!toAddress.isEmpty()) { 
   // 创建邮件的接收者地址 
   Address[] to = InternetAddress.parse(toAddress); 
   // 设置邮件接收人地址 
   message.setRecipients(Message.RecipientType.TO, to); 
   // 邮件主题 
   // message.setSubject("java邮件测试"); 
   message.setSubject("为什么错了"); 
   // 邮件容器 
   MimeMultipart mimeMultiPart = new MimeMultipart(); 
   // 设置HTML 
   BodyPart bodyPart = new MimeBodyPart(); 
   // 邮件内容 
   // String htmlText = "java邮件测试111"; 
   String htmlText = "为什么错了"; 
   bodyPart.setContent(htmlText, "text/html;charset=utf-8"); 
   mimeMultiPart.addBodyPart(bodyPart); 
   // 添加附件 
   List<String> fileAddressList = new ArrayList<String>(); 
   fileAddressList 
     .add("C:\\Users\\tuzongxun123\\Desktop\\新建 Microsoft Office Word 文档.docx"); 
   if (fileAddressList != null) { 
    BodyPart attchPart = null; 
    for (int i = 0; i < fileAddressList.size(); i++) { 
     if (!fileAddressList.get(i).isEmpty()) { 
      attchPart = new MimeBodyPart(); 
      // 附件数据源 
      DataSource source = new FileDataSource( 
        fileAddressList.get(i)); 
      // 将附件数据源添加到邮件体 
      attchPart.setDataHandler(new DataHandler(source)); 
      // 设置附件名称为原文件名 
      attchPart.setFileName(MimeUtility.encodeText(source 
        .getName())); 
      mimeMultiPart.addBodyPart(attchPart); 
     } 
    } 
   } 
   message.setContent(mimeMultiPart); 
   message.setSentDate(new Date()); 
   // 保存邮件 
   message.saveChanges(); 
   // 发送邮件 
   Transport.send(message); 
  } 
 } 
} 
  
class MailAuthenticator extends Authenticator { 
  
 /** 
  * 用户名 
  */
 private String username; 
 /** 
  * 密码 
  */
 private String password; 
  
 /** 
  * 创建一个新的实例 MailAuthenticator. 
  * 
  * @param username 
  * @param password 
  */
 public MailAuthenticator(String username, String password) { 
  this.username = username; 
  this.password = password; 
 } 
  
 public String getPassword() { 
  return password; 
 } 
  
 @Override
 protected PasswordAuthentication getPasswordAuthentication() { 
  return new PasswordAuthentication(username, password); 
 } 
  
 public String getUsername() { 
  return username; 
 } 
  
 public void setPassword(String password) { 
  this.password = password; 
 } 
  
 public void setUsername(String username) { 
  this.username = username; 
 } 
  
}