How to Send Email using Java?

import javax.mail.*;

import javax.mail.internet.*;

import java.util.*;

 

public void postMail( String recipients[ ], String subject, String message , String from) throws MessagingException

{

    boolean debug = false;

 

     //Set the host smtp address

     Properties props = new Properties();

     props.put("mail.smtp.host", "smtp.example.com");

 

    // create some properties and get the default Session

    Session session = Session.getDefaultInstance(props, null);

    session.setDebug(debug);

 

    // create a message

    Message msg = new MimeMessage(session);

 

    // set the from and to address

    InternetAddress addressFrom = new InternetAddress(from);

    msg.setFrom(addressFrom);

 

    InternetAddress[] addressTo = new InternetAddress[recipients.length];

    for (int i = 0; i < recipients.length; i++)

    {

        addressTo[i] = new InternetAddress(recipients[i]);

    }

    msg.setRecipients(Message.RecipientType.TO, addressTo);

 

    // Optional : You can also set your custom headers in the Email if you Want

    msg.addHeader("MyHeaderName", "myHeaderValue");

 

    // Setting the Subject and Content Type

    msg.setSubject(subject);

    msg.setContent(message, "text/plain");

    Transport.send(msg);

}