Javaは465ポートを使用してメールを送信

package com.ldy.util;
import java.util.Properties;

import org.apache.commons.lang3.StringUtils;
import org.apache.log4j.Logger;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSenderImpl;  
  
/** 
 * @  : EmailUtils

 * @  :         

 * @   : lidongyang

 * @    : 2017 12 20    3:32:16

 */
public class EmailUtils {  
  
    private static JavaMailSenderImpl javaMailSender;  
    
    private static final Logger logger = Logger.getLogger(EmailUtils.class);  
  
    static {  
        javaMailSender = new JavaMailSenderImpl();  
        javaMailSender.setHost("     ");//       
        //javaMailSender.setPort(25);//    25    
        javaMailSender.setUsername("  ");//    
        javaMailSender.setPassword("  ");//    
        javaMailSender.setDefaultEncoding("UTF-8");
  
        Properties properties = new Properties();
        //properties.setProperty("mail.debug", "true");//      
        //properties.setProperty("mail.smtp.timeout", "1000");//        
        //    ssl    465    、      （25）        
        properties.setProperty("mail.smtp.auth", "true");//      
        properties.setProperty("mail.smtp.socketFactory.port", "465");//  ssl  
        properties.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");  
        javaMailSender.setJavaMailProperties(properties);
    }  
  
    /**
     * @   : sendEmail

     * @  :     

     * @   : lidongyang

     * @    : 2017 12 20    3:59:15
  
     * @param title
     * @param content
     * @param toMail            
     */
    public static void sendEmail(final String title, final String content, final String toMail) {  
        //                      
        new Thread(new Runnable() {  
            @Override  
            public void run() {  
                if (StringUtils.isNotBlank(toMail)) {  
                    logger.info("===================        ================");  
                    SimpleMailMessage mailMessage = new SimpleMailMessage();  
                    mailMessage.setFrom(userName);  
                    mailMessage.setSubject(title);  
                    mailMessage.setText(content); 

                    String[] toAddress = toMail.split(",");
                    mailMessage.setTo(toAddress); 

                    //      
                    javaMailSender.send(mailMessage);  
                    logger.info("==================        ================");  
                }  
            }  
        }).start();  
    }  
  
  
    public static void main(String[] args) {  
        sendEmail("    ","    ------","     ");  
    }  
}