javax.mail 发送163邮件

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1，导入maven依赖：

<!-- https://mvnrepository.com/artifact/javax.mail/mail -->
<dependency>
   <groupId>javax.mail</groupId>
   <artifactId>mail</artifactId>
   <version>1.5.0-b01</version>
</dependency>

2，java代码示例：

import java.util.Date;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class SendEmail {
    /** 发件人 账号和密码**/
    public static final String MY_EMAIL_ACCOUNT = "[email protected]";
    // 密码,是你自己的设置的授权码,
    // 获取方式：登陆网页邮箱，设置-》客户端授权密码
    public static final String MY_EMAIL_PASSWORD = "xxx";

    // SMTP服务器(这里用的163 SMTP服务器)
    public static final String MEAIL_163_SMTP_HOST = "smtp.163.com";
    /** 端口号,这个是163使用到的;QQ的应该是465或者875 **/
    public static final String SMTP_163_PORT = "25";

    /** 收件人 **/
    public static final String RECEIVE_EMAIL_ACCOUNT = "[email protected]";

    public static void main(String[] args) throws AddressException, MessagingException {
        Properties p = new Properties();
        p.setProperty("mail.smtp.host", MEAIL_163_SMTP_HOST);
        p.setProperty("mail.smtp.port", SMTP_163_PORT);
        p.setProperty("mail.smtp.socketFactory.port", SMTP_163_PORT);
        p.setProperty("mail.smtp.auth", "true");
        p.setProperty("mail.smtp.socketFactory.class", "SSL_FACTORY");

        Session session = Session.getInstance(p, new Authenticator() {
            // 设置认证账户信息
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(MY_EMAIL_ACCOUNT, MY_EMAIL_PASSWORD);
            }
        });
        session.setDebug(true);
        System.out.println("创建邮件");
        MimeMessage message = new MimeMessage(session);
        // 发件人
        message.setFrom(new InternetAddress(MY_EMAIL_ACCOUNT));
        // 收件人和抄送人
        message.setRecipients(Message.RecipientType.TO, RECEIVE_EMAIL_ACCOUNT);

        // 有些敏感信息会被邮件服务器禁止发送，所以尽量多测试下
        message.setSubject("邮件主题");
        message.setContent("<h1>邮件内容</h1>" +
                                "今天周末，你有空出去玩吗？",
                            "text/html;charset=UTF-8"
                        );
        message.setSentDate(new Date());
        message.saveChanges();
        System.out.println("准备发送");
        Transport.send(message);
    }
}