阿里云邮箱25端口被关闭，改用465端口Java发送邮件

阿里云出于安全考虑默认关闭25端口，开发的是465端口，我们只讲怎么发送邮件。
        <dependency>
            <groupId>com.sun.mail</groupId>
            <artifactId>javax.mail</artifactId>
            <version>1.6.2</version>
        </dependency>
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>5.7.18</version>
        </dependency>
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demo代码：
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.util.CharsetUtil;
import cn.hutool.extra.mail.MailAccount;
import cn.hutool.extra.mail.MailUtil;
import org.springframework.stereotype.Component;
import com.sun.mail.util.MailSSLSocketFactory;

//关键代码
MailSSLSocketFactory sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);

MailAccount account = new MailAccount();
account.setHost("smtp.mxhichina.com");
account.setPort(465);
account.setAuth(true);
account.setSslEnable(true);
//发送邮件的邮箱
account.setFrom("xxxxx@xxxx.com");
//发送邮件的邮箱
account.setUser("xxxxx@xxxx.com");
//发送邮件的邮箱密码
account.setPass("xxxxxxxxxxxxxx");
account.setCharset(CharsetUtil.CHARSET_UTF_8);
account.setCustomProperty("mail.smtp.ssl.socketFactory", sf);
MailUtil.send(account,
        CollUtil.newArrayList(“接收邮件的邮箱,如：123456@qq.com”),
        "标题提示文字",
        “正文HTML内容文字”,
        true);