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 1 ------------
Return-Path: <test@localhost>
Delivered-To: test@localhost
Received: from 192.168.10.111 ([192.168.10.111])
by roseindi-iyo058 (JAMES SMTP Server 2.3.1) with 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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