Java操作应用——邮件发送

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import  java.util.*;

import  javax.mail.*;

import  javax.mail.internet.*;

public  class  SendEmail

{

     public  static  void  main(String [] args)

     {    

         String to =  "recipient@gmail.com" ;

         String from =  "sender@gmail.com" ;

         String host =  "localhost" ;

         Properties properties = System.getProperties();

         properties.setProperty( "mail.smtp.host" , host);

         Session session = Session.getDefaultInstance(properties);

         try {

             MimeMessage message =  new  MimeMessage(session);

             message.setFrom( new  InternetAddress(from));

             message.addRecipient(Message.RecipientType.TO, new  InternetAddress(to));

             message.setSubject( "My Email Subject" );

             message.setText( "My Message Body" );

             Transport.send(message);

             System.out.println( "Sent successfully!" );

         }

         catch  (MessagingException ex) {

             ex.printStackTrace();

         }

     }

}