JavaMail

import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
 
public class Main {
 
    public static void main(String args[]) throws Exception {
 
        String host = "192.168.3.168";
        String from = "zub.samata@mail.ru";
        String to = "zub.samata@mail.ru";
       // Get system properties
        Properties properties = System.getProperties();
 
        // Setup mail server
        properties.setProperty("mail.smtp.host", host);
 
        // Get the default Session object.
        Session session = Session.getDefaultInstance(properties);
 
        // Create a default MimeMessage object.
        MimeMessage message = new MimeMessage(session);
 
        // Set the RFC 822 "From" header field using the
        // value of the InternetAddress.getLocalAddress method.
        message.setFrom(new InternetAddress(from));
 
        // Add the given addresses to the specified recipient type.
        message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
 
 
        // Set the "Subject" header field.
        message.setSubject("hi..!");
 
        // Sets the given String as this part's content,
        // with a MIME type of "text/plain".
        message.setText("Hi ......");
 
        // Send message
        Transport.send(message);
 
        System.out.println("Message Send.....");
    }
}