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How to show all header information of message using Java Mail api

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How to show all header information of message using Java Mail api

This Example shows you how to show all header of any message using javamail api.

This Example shows you how to show all header of any message using javamail api.

How to show all header information of message using Java Mail api

     

This Example shows you how to show all header of any message using javamail api. All messages are stored in Folder objects. folders can contain folders or messages. The Folder class declares methods that fetch, append, copy and delete messages. 

We will use method given below to retrieve all header information, this method returns Enumerations type. 

public Enumeration getAllHeaders();

AllHeaderClient.java

import javax.mail.*;
import javax.mail.internet.*;
import java.util.*;

public class AllHeaderClient {

  public static void main(String[] args) throws Exception {
  String host = "192.168.10.205";
  String user = "test";
  String password = "test";

  // Get system properties
  Properties properties = System.getProperties();

  // Get the default Session object.
  Session session = Session.getDefaultInstance(properties);

  // Get a Store object that implements the specified protocol.
  Store store = session.getStore("pop3");

  //Connect to the current host using the specified username and password.
  store.connect(host, user, password);

  //Create a Folder object corresponding to the given name.
  Folder folder = store.getFolder("inbox");

  // Open the Folder.
  folder.open(Folder.READ_ONLY);

  Message[] messages = folder.getMessages();
  for (int i = 0; i < messages.length; i++) {
  System.out.println("------------ Message " + (i + 1) + " ------------");
  // Here's the difference...
  Enumeration headers = messages[i].getAllHeaders();
  while (headers.hasMoreElements()) {
  Header h = (Header) headers.nextElement();
  System.out.println(h.getName() + ": " + h.getValue());
  }
  System.out.println();
  }
  }
} 

Output:

------------ Message ------------
Return-Path: <test@localhost>
Delivered-To: test@localhost
Received: from 192.168.10.111 ([192.168.10.111])
  by roseindi-iyo058 (JAMES SMTP Server 2.3.1with SMTP ID 18
  for <test@localhost>;
  Wed, 16 Jul 2008 14:33:32 +0000 (GMT)
Date: Wed, 16 Jul 2008 14:33:32 +0000 (GMT)
From: test@localhost
To: test@localhost
Message-ID: <6794265.0.1216195417823.JavaMail.komal@komal>
Subject: hi..!
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit

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