Create a very simple text/plain message and sends it : Email Message « Email « Java Tutorial






/*
 * @(#)msgsendsample.java 1.19 03/04/22
 *
 * Copyright 1996-2003 Sun Microsystems, Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * 
 * - Redistribution in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of Sun Microsystems, Inc. or the names of contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 * 
 * This software is provided "AS IS," without a warranty of any kind. ALL
 * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
 * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
 * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND
 * ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES OR LIABILITIES
 * SUFFERED BY LICENSEE AS A RESULT OF  OR RELATING TO USE, MODIFICATION
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 * ARISING OUT OF THE USE OF OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS
 * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
 * 
 * You acknowledge that Software is not designed, licensed or intended
 * for use in the design, construction, operation or maintenance of any
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 */

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

import javax.mail.Address;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.SendFailedException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

// import javax.activation.*;

/**
 * msgsendsample creates a very simple text/plain message and sends it.
 * <P>
 * usage: <code>java msgsendsample <i>to from smtphost true|false</i></code>
 * where <i>to</i> and <i>from</i> are the destination and origin email
 * addresses, respectively, and <i>smtphost</i> is the hostname of the machine
 * that has the smtp server running. The last parameter either turns on or turns
 * off debugging during sending.
 * 
 * @author Max Spivak
 */
public class MainClass {
  static String msgText = "This is a message body.\nHere's the second line.";

  public static void main(String[] args) {
    if (args.length != 4) {
      usage();
      System.exit(1);
    }

    System.out.println();

    String to = args[0];
    String from = args[1];
    String host = args[2];
    boolean debug = Boolean.valueOf(args[3]).booleanValue();

    // create some properties and get the default Session
    Properties props = new Properties();
    props.put("mail.smtp.host", host);
    if (debug)
      props.put("mail.debug", args[3]);

    Session session = Session.getInstance(props, null);
    session.setDebug(debug);

    try {
      // create a message
      Message msg = new MimeMessage(session);
      msg.setFrom(new InternetAddress(from));
      InternetAddress[] address = { new InternetAddress(args[0]) };
      msg.setRecipients(Message.RecipientType.TO, address);
      msg.setSubject("JavaMail APIs Test");
      msg.setSentDate(new Date());
      // If the desired charset is known, you can use
      // setText(text, charset)
      msg.setText(msgText);

      Transport.send(msg);
    } catch (MessagingException mex) {
      System.out.println("\n--Exception handling in msgsendsample.java");

      mex.printStackTrace();
      System.out.println();
      Exception ex = mex;
      do {
        if (ex instanceof SendFailedException) {
          SendFailedException sfex = (SendFailedException) ex;
          Address[] invalid = sfex.getInvalidAddresses();
          if (invalid != null) {
            System.out.println("    ** Invalid Addresses");
            if (invalid != null) {
              for (int i = 0; i < invalid.length; i++)
                System.out.println("         " + invalid[i]);
            }
          }
          Address[] validUnsent = sfex.getValidUnsentAddresses();
          if (validUnsent != null) {
            System.out.println("    ** ValidUnsent Addresses");
            if (validUnsent != null) {
              for (int i = 0; i < validUnsent.length; i++)
                System.out.println("         " + validUnsent[i]);
            }
          }
          Address[] validSent = sfex.getValidSentAddresses();
          if (validSent != null) {
            System.out.println("    ** ValidSent Addresses");
            if (validSent != null) {
              for (int i = 0; i < validSent.length; i++)
                System.out.println("         " + validSent[i]);
            }
          }
        }
        System.out.println();
        if (ex instanceof MessagingException)
          ex = ((MessagingException) ex).getNextException();
        else
          ex = null;
      } while (ex != null);
    }
  }

  private static void usage() {
    System.out.println("usage: java msgsendsample <to> <from> <smtp> true|false");
  }
}








30.4.Email Message
30.4.1.Creates a message, retrieves a Transport from the session based on the type of the address and sends the message
30.4.2.Create a very simple text/plain message and sends it
30.4.3.Show information about and contents of messages
30.4.4.Get Message Size Line Count
30.4.5.Access message given its UID and Show information about and contents of messages
30.4.6.Create a simple multipart/mixed message and sends it
30.4.7.How to construct and send an RFC822 (singlepart) message
30.4.8.How to construct and send a single part html message