Java/Email/Email Client

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>
   
  
 
  

Send E-Mail

   <source lang="java">

import java.io.*; import javax.mail.*; import javax.mail.internet.*; import javax.activation.*; public class SendApp {

 public static void send(String smtpHost, int smtpPort, String from, String to, String subject,
     String content) throws AddressException, MessagingException {
   java.util.Properties props = new java.util.Properties();
   props.put("mail.smtp.host", smtpHost);
   props.put("mail.smtp.port", "" + smtpPort);
   Session session = Session.getDefaultInstance(props, null);
   Message msg = new MimeMessage(session);
   msg.setFrom(new InternetAddress(from));
   msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
   msg.setSubject(subject);
   msg.setText(content);
   Transport.send(msg);
 }
 public static void main(String[] args) throws Exception {
   send("hostname", 25, "j@s.ru", "s@s.ru", "re: dinner", "body");
 }

}

 </source>