阿里云服务器 发送邮箱 STMP 25端口 465端口问题 Javamail 25被禁用

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.security.Security;
import java.util.Date;
import java.util.Map;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
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 javax.mail.internet.MimeUtility;


public class MailUtil {

    private static final String FROM_MAIL_SMTP = "smtp.exmail.qq.com";
    private static final String FROM_MAIL_NAME = "aaaaaa@qq.com";
    private static final String FROM_MAIL_PASS = "xxxxxxx";

    
    /**
     * 发送邮件(灵活度高，通用版)
     * @param from 发件人
     * @param to 收件人, 多个Email以英文逗号分隔
     * @param cc 抄送, 多个Email以英文逗号分隔
     * @param subject 主题
     * @param content 内容
     * @param fileList 附件列表
     * @return
     */
    public static boolean sendMail(String to, String cc, String subject, String content, String[] fileList){
         try {
             Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
             final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
             final Properties p = System.getProperties() ;
             p.setProperty("mail.smtp.host", FROM_MAIL_SMTP);
             p.setProperty("mail.smtp.auth", "true");
             p.setProperty("mail.smtp.user", FROM_MAIL_NAME);
             p.setProperty("mail.smtp.pass", FROM_MAIL_PASS);
             
             p.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);
             p.setProperty("mail.smtp.socketFactory.fallback", "false");
             //邮箱发送服务器端口,这里设置为465端口
             p.setProperty("mail.smtp.port", "465");
             p.setProperty("mail.smtp.socketFactory.port", "465");
    
            // 根据邮件会话属性和密码验证器构造一个发送邮件的session
            Session session = Session.getInstance(p, new Authenticator(){
                protected PasswordAuthentication getPasswordAuthentication() {
                    return new PasswordAuthentication(p.getProperty("mail.smtp.user"),p.getProperty("mail.smtp.pass"));
                }
            });
            session.setDebug(true);
            Message message = new MimeMessage(session);
            //消息发送的主题
            message.setSubject(subject);
            //接受消息的人
            message.setReplyTo(InternetAddress.parse(FROM_MAIL_NAME));
            //消息的发送者
            message.setFrom(new InternetAddress(p.getProperty("mail.smtp.user"),"测"));
            // 创建邮件的接收者地址，并设置到邮件消息中
            String[] split = to.split(",");
            InternetAddress []tos = new InternetAddress[split.length];
            for (int i = 0; i < split.length; i++) {
                tos[i]=new InternetAddress(split[i]);
            }
            // 设置抄送人
            if (cc != null && cc.length() > 0) {
                message.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc)); 
            }
            message.setRecipients(Message.RecipientType.TO, tos);
            // 消息发送的时间
            message.setSentDate(new Date());
            Multipart mainPart = new MimeMultipart();
            // 创建一个包含HTML内容的MimeBodyPart
            BodyPart html = new MimeBodyPart();
            // 设置HTML内容
            html.setContent(content, "text/html; charset=utf-8");
            mainPart.addBodyPart(html);
            // 将MiniMultipart对象设置为邮件内容
            message.setContent(mainPart);
            // 设置附件
            if (fileList != null && fileList.length > 0) {
                for (int i = 0; i < fileList.length; i++) {
                    html = new MimeBodyPart();
                    FileDataSource fds = new FileDataSource(fileList[i]); 
                    html.setDataHandler(new DataHandler(fds)); 
                    html.setFileName(MimeUtility.encodeText(fds.getName(), "UTF-8", "B"));
                    mainPart.addBodyPart(html); 
                }
            }
            message.setContent(mainPart); 
            message.saveChanges(); 
            Transport.send(message);
         } catch (MessagingException e) {
             e.printStackTrace();
             return false;
         } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }
}

properties.mail.smtp.socketFactory.class=javax.net.ssl.SSLSocketFactory
spring.mail.properties.mail.smtp.port=465
spring.mail.properties.mail.socketFactory.port=465