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



public class SendLetter {

    public static void main(String[] args) throws AddressException, MessagingException {

        try {

            String host = "smtp.gmail.com";
            String user = "vershansky1990@gmail.com";
            String pass = "1eb789azZvV";
            String to = "vershansky1990@gmail.com";
            String from = "vershansky1990@gmail.com";
            String subject = "Heloooo";
            String messageText = "from Java";
            boolean sessionDebug = false;

            Properties props = System.getProperties();

            props.put("mail.smtp.starttls.enable", "true");
            props.put("mail.smtp.host", host);
            props.put("mail.smtp.port", "587");
            props.put("mail.smtp.auth", "true");
            props.put("mail.smtp.starttls.required", "true");

            java.security.Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());

            Session mailSession = Session.getDefaultInstance(props, null);
            mailSession.setDebug(sessionDebug);
            Message msg = new  MimeMessage(mailSession);
            msg.setFrom(new InternetAddress(from));
            InternetAddress[] address = {new InternetAddress(to)};
            msg.setRecipients(Message.RecipientType.TO, address);
            msg.setSubject(subject);
            msg.setSentDate(new Date());
            msg.setText(messageText);

            Transport transport = mailSession.getTransport("smtp");
            transport.connect(host, user, pass);
            transport.sendMessage(msg, msg.getAllRecipients());
            transport.close();
            System.out.println("Message send successfully");

        } catch (Exception e) {
            e.printStackTrace();
            System.out.println(e);
        }
    }
}