使用java发送Email

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//测试邮箱均为新浪的，只要修改星号位置即可

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


/**
* @author Administrator
*/
public class MailUtil {

   static int port = 25;

   static String server = "smtp.sina.com";//邮件服务器（新浪）

   static String from = "Webmaster<*********@sina.com>";//发送者

   static String user = "**********@sina.com";//发送者地址

   static String password = "******";//密码

   public static void sendEmail(String email, String subject, String body) {
       try {
           Properties props = new Properties();
           props.put("mail.smtp.host", server);
           props.put("mail.smtp.port", String.valueOf(port));
           props.put("mail.smtp.auth", "true");
           Transport transport = null;
           Session session = Session.getDefaultInstance(props, null);
           transport = session.getTransport("smtp");
           transport.connect(server, user, password);
           MimeMessage msg = new MimeMessage(session);
           msg.setSentDate(new Date());
           InternetAddress fromAddress = new InternetAddress(from);
           msg.setFrom(fromAddress);
           InternetAddress[] toAddress = new InternetAddress[1];
           toAddress[0] = new InternetAddress(email);
           msg.setRecipients(Message.RecipientType.TO, toAddress);
           msg.setSubject(subject, "UTF-8");  
           msg.setText(body, "UTF-8");
           msg.saveChanges();
           transport.sendMessage(msg, msg.getAllRecipients());
       } catch (NoSuchProviderException e) {
           e.printStackTrace();
       } catch (MessagingException e) {
           e.printStackTrace();
       }
   }
   public static void main(String args[])
   {
       sendEmail("*******@sina.com","javamial","*****发送内容");//收件人
       System.out.println("ok");
   }
}