阿里云服务器发送邮件失败，25端口被禁用，采用ssl 方式 465端口发送

public static boolean sslSend(String content)
throws AddressException, MessagingException, IOException{

MessageInfo msg1 = new MessageInfo();
msg1.setFrom("发件人邮箱");
msg1.setSendDate(new Date());
List<String> list = new ArrayList<>();
list.add("收件人邮箱");
msg1.setTo(list);
msg1.setMsg("内容");
msg1.setSubject("主题");

EmailAccount emailAccount = new EmailAccount();
emailAccount.setUsername("邮箱名");
emailAccount.setPassword("密码");
emailAccount.setPlace("邮箱服务器");

Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
// Get a Properties object
Properties props = new Properties();
props.setProperty("mail.smtp.host", emailAccount.getPlace());
props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);
props.setProperty("mail.smtp.socketFactory.fallback", "false");
props.setProperty("mail.smtp.port", "465");
props.setProperty("mail.smtp.socketFactory.port", "465");
props.put("mail.smtp.auth", "true");

final String username = emailAccount.getUsername();
final String password = emailAccount.getPassword();
Session session = Session.getDefaultInstance(props, new Authenticator(){
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}});
Message msg = new MimeMessage(session);

// 设置发件人和收件人
msg.setFrom(new InternetAddress(emailAccount.getUsername()));
List<String> tos = msg1.getTo();
Address to[] = new InternetAddress[tos.size()];
for(int i=0;i<tos.size();i++){
to[i] = new InternetAddress(tos.get(i));
}
// 多个收件人地址
msg.setRecipients(Message.RecipientType.TO, to);
msg.setSubject(msg1.getSubject()); // 标题
msg.setText(msg1.getMsg());// 内容
msg.setSentDate(new Date());
Transport.send(msg);
System.out.println("EmailUtil ssl协议邮件发送打印" +msg.toString());
return true;
}

static class EmailAccount{
// 邮箱用户
private String username;

// 邮箱密码
private String password;

// 邮箱服务器
private String place;

public String getUsername() {
return username;
}

}

static class MessageInfo{
private String  from;

private List<String> to;

private Date sendDate;

private String subject;

private String msg;

public String getFrom() {
return from;
}

}