Java使用代码向指定的邮箱发送邮件

package emailTool;

import org.junit.Test;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;
import java.util.Scanner;

/**
 * 邮件下发工具类
 */
public final class MailUtils {
	private static final String USER = "[email protected]"; // 发件人称号(邮箱地址)
	private static final String PASSWORD = "sbsvalbiaztddegf"; // 客户端授权码或登录密码

	/**
	 * 发送邮件
	 *
	 * @param to    收件人邮箱
	 * @param text  邮件正文
	 * @param title 标题
	 */
	public static boolean sendMail(String to, String text, String title) {
		try {
			final Properties props = new Properties();
			props.put("mail.smtp.auth", "true"); // 邮箱建置
			props.put("mail.smtp.host", "smtp.qq.com");

			props.put("mail.user", USER); // 发件人账号
			props.put("mail.password", PASSWORD); // 发件人密码

			// 构建授权信息，用于SMTP进行身份验证
			Authenticator authenticator = new Authenticator() {
				@Override
				protected PasswordAuthentication getPasswordAuthentication() {
					String userName = props.getProperty("mail.user");
					String password = props.getProperty("mail.password");
					return new PasswordAuthentication(userName, password);
				}
			};

			// 使用环境属性和授权信息创建邮件会话
			Session mailSession = Session.getInstance(props, authenticator);
			MimeMessage message = new MimeMessage(mailSession); // 创建邮件消息
			String username = props.getProperty("mail.user"); // 设置发件人
			InternetAddress form = new InternetAddress(username);
			message.setFrom(form);

			/**
			 * 设置收件人
			 */
			InternetAddress toAddress = new InternetAddress(to);
			message.setRecipient(Message.RecipientType.TO, toAddress);

			message.setSubject(title); // 设置邮件标题
			message.setContent(text, "text/html;charset=UTF-8"); // 设置邮件的内容体编码风格
			Transport.send(message); // 发送邮件

			return true;
		} catch (Exception e) {
			e.printStackTrace();
		}
		return false;
	}

	/**
	 * 邮件下发测试
	 *
	 * @param args
	 * @throws Exception
	 */
	@Test
	public void test() {
		Scanner sc = new Scanner(System.in);
		System.out.print("标题：");
		String title = sc.next();
		System.out.print("收件人：");
		String recipient = sc.next();
		System.out.println("邮件编辑：");
		String content = sc.next();
		MailUtils.sendMail(recipient, content, title);
		System.out.println("\n提示：邮件下发成功！");
		sc.close();
	}

}