Here is a source code walkthru on how to download email within Java
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Properties;
import java.util.Scanner;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import com.sun.mail.pop3.POP3Store;
public class EmailReceiveTest {
public static void main(String[] args) {
String mailPop3Host = "";
String mailStoreType = "pop3";
String mailUser = "";
String mailPassword = "";
receiveEmail(mailPop3Host, mailStoreType, mailUser, mailPassword);
}
public static void receiveEmail(String pop3Host, String storeType, String user, String password) {
try {
Properties properties = new Properties();
properties.put("mail.pop3.host", pop3Host);
Session emailSession = Session.getDefaultInstance(properties);
POP3Store emailStore = (POP3Store) emailSession.getStore(storeType);
emailStore.connect(user, password);
Folder emailFolder = emailStore.getFolder("INBOX");
emailFolder.open(Folder.READ_ONLY);
Message[] messages = emailFolder.getMessages();
for (int i = 0; i < messages.length; i++) {
Message message = messages[i];
System.out.println("==============================");
System.out.println("Email #" + (i + 1));
System.out.println("Subject: " + message.getSubject());
System.out.println("From: " + message.getFrom()[0]);
System.out.println("Text: " + message.getContent().toString());
System.out.print("press a key....");
BufferedReader buffer=new BufferedReader(new InputStreamReader(System.in));
String line=buffer.readLine();
}
emailFolder.close(false);
emailStore.close();
} catch (NoSuchProviderException e) {
e.printStackTrace();
} catch (MessagingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
}
