Java Mail POP3Client Example
This Example shows you how to POP3Client 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. These are some of the methods used in the program.
System.getProperties() this method
get the system properties.
Session.getDefaultInstance(properties) this method get the default Session
object.
session.getStore("pop3") this method get a Store object that
implements the pop3 protocol.
store.connect(host, user, password) Connect to the current host using the
specified username and password.
store.getFolder("inbox") create a Folder object of the inbox.
folder.open(Folder.READ_ONLY) open the Folder.
folder.getMessages() get all messages for the folde.
POP3Clint.java
import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
public class POP3Clint {
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);
// Get the messages from the server
Message[] messages = folder.getMessages();
// Display message.
for (int i = 0; i < messages.length; i++) {
System.out.println("------------ Message " + (i + 1) + " ------------");
// Here's the big change...
String from = InternetAddress.toString(messages[i].getFrom());
if (from != null) {
System.out.println("From: " + from);
}
String replyTo = InternetAddress.toString(
messages[i].getReplyTo());
if (replyTo != null) {
System.out.println("Reply-to: " + replyTo);
}
String to = InternetAddress.toString(
messages[i].getRecipients(Message.RecipientType.TO));
if (to != null) {
System.out.println("To: " + to);
}
String cc = InternetAddress.toString(
messages[i].getRecipients(Message.RecipientType.CC));
if (cc != null) {
System.out.println("Cc: " + cc);
}
String bcc = InternetAddress.toString(
messages[i].getRecipients(Message.RecipientType.BCC));
if (bcc != null) {
System.out.println("Bcc: " + to);
}
String subject = messages[i].getSubject();
if (subject != null) {
System.out.println("Subject: " + subject);
}
Date sent = messages[i].getSentDate();
if (sent != null) {
System.out.println("Sent: " + sent);
}
Date received = messages[i].getReceivedDate();
if (received != null) {
System.out.println("Received: " + received);
}
System.out.println();
}
folder.close(true);
store.close();
}
} |
Output:
|
------------ Message 1 ------------
From: test@localhost
Reply-to: test@localhost
To: test@localhost
Subject: hi..!
Sent: Tue Jul 15 18:44:41 IST 2008
------------ Message 2 ------------
From: test <test@localhost>
Reply-to: test <test@localhost>
To: test@localhost
Subject: Resistance is futile.
Sent: Tue Jul 15 17:57:32 IST 2008
------------ Message 3 ------------
From: test
Reply-to: test
To: test@localhost
Subject: hi whts goig on ..!
Sent: Tue Jul 15 17:26:47 IST 2008
------------ Message 4 ------------
From: test@localhost
Reply-to: test@localhost
To: test@localhost
Subject: hi..!
Sent: Mon Jul 14 21:54:28 IST 2008 |
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