SendMail.java

import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class SendMail {

	private static String username;
	private static String password;

	public static void send(String email, String item, String site) {

		username = "reddithardwareswap@gmail.com";
		password = "ilovereddit2";

		Properties props = new Properties();
		props.put("mail.smtp.starttls.enable", "true");
		props.put("mail.smtp.auth", "true");
		props.put("mail.smtp.host", "smtp.gmail.com");
		props.put("mail.smtp.port", "587");

		Session session = Session.getInstance(props, new javax.mail.Authenticator() {
			protected PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication(username, password);
			}
		});

		try {

			Message message = new MimeMessage(session);
			message.setFrom(new InternetAddress(username));
			message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(email));
			message.setSubject("New post on " + item);
			message.setText("\n" + site);

			Transport.send(message);

		} catch (MessagingException e) {
			throw new RuntimeException(e);
		}
	}
}