Using the SMTP protocol to send simple text messages sent

package com.smartteam.common.email;

import java.util.Date;
import java.util.Properties;

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

/ ** 
 * Use the SMTP protocol to send e-mail 
 * / 
public  class SendMailTest { 

    // e-mail transmission protocol 
    Private  Final  static String PROTOCOL = "the SMTP" ; 

    // SMTP mail server 
    Private  Final  static String HOST = "xxx.xxx.xx" ; 

    // the SMTP mail server (written when ip ip) default port 
    Private  Final  static String pORT = "xx.xxx.xxx.xx" ; 

    // whether to require authentication 
    Private  Final  static String IS_AUTH = "to true" ; 

    // whether to enable (a question-and-answer response messages enable debug mode when printing client and server interaction) debug mode 
    Private  Final  staticIS_ENABLED_DEBUG_MOD = String "to true" ; 

    // sender 
    Private  static String from = "xxx.xx" ; 

    // recipient 
    Private  static String to = "xxx.xxx" ; 

    // initialize the connection to the mail server session information 
    Private  static The props = the Properties null ; 

    static { 
        The props = new new the Properties (); 
        props.setProperty ( "mail.transport.protocol" , the PROTOCOL); 
        props.setProperty ( "the mail.smtp.host" , the HOST); 
        props.setProperty ( "mail .smtp.port " ,PORT);
        props.setProperty ( "mail.smtp.auth" , IS_AUTH); 
        props.setProperty ( "mail.debug" , IS_ENABLED_DEBUG_MOD); 
    } 

    public  static  void main (String [] args) throws Exception {
         // sending simple text messages 
        sendTextEmail (); 
    } 

    / ** 
     * sending simple text messages 
     * / 
    public  static  void sendTextEmail () throws Exception {
         // create an object instance Session 
        Session the session = Session.getDefaultInstance (the props); 

        // create an object instance MimeMessage
        The Message = the MimeMessage new new the MimeMessage (the session);
         // Set the sender 
        message.setFrom ( new new InternetAddress (from));
         // set the message subject 
        message.setSubject ( "Use javamail send simple text messages" );
         // set Write people 
        message.setRecipient (RecipientType.TO, new new InternetAddress (to));
         // set the transmission time 
        message.setSentDate ( new new a Date ());
         // set plain text as the message body 
        message.setText ( "use smtp agreement to send text Mail test !!! " );
         // save and generate the final message content 
        message.saveChanges (); 

        //Examples of objects obtained Transport 
        Transport transport = Session.getTransport ();
         // open a connection (send messages side user name and password) 
        transport.connect ( "xxx.xx", "XXX" );
         // the message object to the transport objects , message sent 
        transport.sendMessage (message, message.getAllRecipients ());
         // close the connection 
        transport.close (); 
    } 

}