This Example shows you how delete a message. If you want to delete any message then set the message flag delete.

Deleting messages example

     

This Example shows you how delete a message. If you want to delete any message then set the message flag delete. There are different types of flags, some system-defined and some user-defined.

* Flags.Flag.ANSWERED* Flags.Flag.DELETED* Flags.Flag.DRAFT* Flags.Flag.FLAGGED* Flags.Flag.RECENT* Flags.Flag.SEEN* Flags.Flag.USERTo delete messages, you set the message's DELETED flag:message.setFlag(Flags.Flag.DELETED, true);Open up the folder in READ_WRITE mode first though:folder.open(Folder.READ_WRITE);Then, when you are done processing all messages, close the folder, passing in a true value to expunge the deleted messages.

folder.close(true);

DeleteMail.java

import com.sun.mail.imap.protocol.FLAGS;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Date;
import java.util.Properties;

import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.internet.InternetAddress;

public class DeleteMail {

  public static void main(String args[]) throws Exception {

  Properties properties = System.getProperties();

  Session session = Session.getDefaultInstance(properties);
  Store store = session.getStore("pop3");

  store.connect("192.168.10.205", "test", "test");

  Folder folder = store.getFolder("inbox");

  if (!folder.exists()) {
  System.out.println("inbox not found");
  System.exit(0);
  }

  folder.open(Folder.READ_WRITE);

  Message[] msg = folder.getMessages();
  //System.out.println((messages.length+1)+" message found");
  for (int i = 0; i < msg.length; i++) {
  System.out.println("--------- " + (i + 1) + "------------");
  String from = InternetAddress.toString(msg[i].getFrom());
  if (from != null) {
  System.out.println("From: " + from);
  }

  String replyTo = InternetAddress.toString(
  msg[i].getReplyTo());
  if (replyTo != null) {
  System.out.println("Reply-to: " + replyTo);
  }
  String to = InternetAddress.toString(
  msg[i].getRecipients(Message.RecipientType.TO));
  if (to != null) {
  System.out.println("To: " + to);
  }

  String subject = msg[i].getSubject();
  if (subject != null) {
  System.out.println("Subject: " + subject);
  }
  Date sent = msg[i].getSentDate();
  if (sent != null) {
  System.out.println("Sent: " + sent);
  }
  System.out.println("Message : ");
  System.out.println(msg[i].getContent());

  }
  System.out.println("Enter message no to delete :");

  BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
  String no = br.readLine();
  msg[Integer.parseInt(no) - 1].setFlag(FLAGS.Flag.DELETED, true);
  System.out.println("Msg Delete .....");

  folder.close(true);
  store.close();
  }
} 

Output:

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