MailUtils 测试邮件是否发送

 import java.util.Properties;

 import javax.mail.Message;
 import javax.mail.Session;
 import javax.mail.Transport;
 import javax.mail.internet.InternetAddress;
 import javax.mail.internet.MimeMessage;
 import javax.mail.internet.MimeMessage.RecipientType;

 public class MailUtils {
     private static String smtp_host = "smtp.126.com";
     private static String username = "itcast_server@126.com";
     private static String password = "147963qP"; 

     private static String from = "itcast_server@126.com"; // 使用当前账户
     public static String activeUrl = "http://localhost:8082/bos_fore/customerAction_activeMail";

     public static void sendMail(String subject, String content, String to) {
         Properties props = new Properties();
         props.setProperty("mail.smtp.host", smtp_host);
         props.setProperty("mail.transport.protocol", "smtp");
         props.setProperty("mail.smtp.auth", "true");
         Session session = Session.getInstance(props);
         Message message = new MimeMessage(session);
         try {
             message.setFrom(new InternetAddress(from));
             message.setRecipient(RecipientType.TO, new InternetAddress(to));
             message.setSubject(subject);
             message.setContent(content, "text/html;charset=utf-8");
             Transport transport = session.getTransport();
             transport.connect(smtp_host, username, password);
             transport.sendMessage(message, message.getAllRecipients());
         } catch (Exception e) {
             e.printStackTrace();
             throw new RuntimeException("邮件发送失败...");
         }
     }

     public static void main(String[] args) {
         sendMail("测试邮件", "你好，大神", "itcast_search@163.com");
     }
 }