Envio de emails con Gmail

Aquí teneis un pequeño ejemplo de como enviar correos con Gmail:


import java.security.Security;
import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class GmailWrapper {

private static final String MAIL_SERVER = "smtp.gmail.com";
private static final String MAIL_PORT = "465";
private static final String MAIL_FROM = "from@gmail.com";
private static final String MAIL_USER = "user@gmail.com";
private static final String MAIL_PASSWORD = "password";

public void sendRememberMail(String username, String password, String to) {
Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

String msgBody = "The message you want to sent";
String msgSubject = "Mail subject";

Properties properties = new Properties();

properties.put("mail.smtp.user", MAIL_FROM);
properties.put("mail.smtp.password", MAIL_PASSWORD);
properties.put("mail.smtp.host",MAIL_SERVER);
properties.put("mail.smtp.port", MAIL_PORT);
properties.put("mail.smtp.starttls.enable","true");
properties.put( "mail.smtp.auth", "true");
properties.put("mail.smtp.debug", "false");
properties.put("mail.from",MAIL_FROM);
properties.put("mail.smtp.socketFactory.port", MAIL_PORT);
properties.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
properties.put("mail.smtp.socketFactory.fallback", "false");

try {

Authenticator auth = new MyAuthenthicator();
Session session = Session.getInstance(properties, auth);
session.setDebug(false);
Message message = new MimeMessage(session);
InternetAddress[] address = {new InternetAddress(to)};
message.setRecipients(Message.RecipientType.TO, address);
message.setFrom(new InternetAddress(MAIL_FROM));
message.setSubject(msgSubject);
message.setText(msgBody);

BodyPart messageBodyPart = new MimeBodyPart();
String messageText = msgBody;
messageBodyPart.setText(messageText);

Multipart mPart = new MimeMultipart();
BodyPart body = new MimeBodyPart();
body.setContent(msgBody,"text/plain");
mPart.addBodyPart(body);

message.setContent(mPart);
message.saveChanges();

Transport transport = session.getTransport(address[0]);
transport.connect();

transport.sendMessage(message,address);
} catch (Exception e) {
// Catch exception
}
}

public class MyAuthenthicator extends Authenticator {

protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(MAIL_USER,MAIL_PASSWORD);
}
}
}