Java Tutorial/Email/Email Client

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Java Mail POP3 Client

   <source lang="java">

import java.util.Properties; import javax.mail.Folder; import javax.mail.Message; import javax.mail.Session; import javax.mail.Store; public class MainClass {

 public static void main(String[] args) throws Exception {
   Properties props = new Properties();
   String host = "yourHost.edu";
   String username = "userName";
   String password = "mypassword";
   String provider = "pop3";
   Session session = Session.getDefaultInstance(props, null);
   Store store = session.getStore(provider);
   store.connect(host, username, password);
   Folder inbox = store.getFolder("INBOX");
   if (inbox == null) {
     System.out.println("No INBOX");
     System.exit(1);
   }
   inbox.open(Folder.READ_ONLY);
   Message[] messages = inbox.getMessages();
   for (int i = 0; i < messages.length; i++) {
     System.out.println("Message " + (i + 1));
     messages[i].writeTo(System.out);
   }
   inbox.close(false);
   store.close();
 }

}</source>





Java Mail Secure POP3 Client

   <source lang="java">

import java.util.Properties; import javax.mail.Authenticator; import javax.mail.Folder; import javax.mail.Message; import javax.mail.PasswordAuthentication; import javax.mail.Session; import javax.mail.Store; public class MainClass {

 public static void main(String[] args) throws Exception {
   Properties props = new Properties();
   String host = "yourserver.edu";
   String provider = "pop3";
   Session session = Session.getDefaultInstance(props, new MailAuthenticator());
   Store store = session.getStore(provider);
   store.connect(host, null, null);
   Folder inbox = store.getFolder("INBOX");
   if (inbox == null) {
     System.out.println("No INBOX");
     System.exit(1);
   }
   inbox.open(Folder.READ_ONLY);
   Message[] messages = inbox.getMessages();
   for (int i = 0; i < messages.length; i++) {
     System.out.println("Message " + (i + 1));
     messages[i].writeTo(System.out);
   }
   inbox.close(false);
   store.close();
 }

} class MailAuthenticator extends Authenticator {

 public MailAuthenticator() {
 }
 public PasswordAuthentication getPasswordAuthentication() {
   return new PasswordAuthentication("username", "password");
 }

}</source>





Swing Client JavaMail