EmailUtils.java

package com.rectang.xsm.util;

import com.rectang.xsm.Config;
import com.rectang.xsm.XSM;

import java.util.Properties;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

/**
 * Some util methods for handling emailing through the configured SMTP server
 *
 * @author aje
 */
public class EmailUtils
{

    /**
     * Send an email using the configured SMTP server.
     *
     * @param subject The subject of the email to send
     * @param body    The message body of the email to send
     * @param to      The email address to send the message to
     * @return true if the email sent successfully, false otherwise
     */
    public static boolean emailTo( String subject, String body, String to )
    {
        Config config = XSM.getConfig();
        String from = config.getEmailFrom();
        String host = config.getSmtpHost();

        Properties mailProps = new Properties();
        mailProps.put( "mail.smtp.host", host );
        Session session = Session.getDefaultInstance( mailProps, null );
        Message message = new MimeMessage( session );

        try
        {
            message.setFrom( new InternetAddress( from ) );
            message.setSubject( subject );
            message.setText( body );
            Transport trans = session.getTransport( "smtp" );
            trans.connect( host, config.getSmtpUser(), config.getSmtpPass() );
            trans.sendMessage( message, new InternetAddress[]{new InternetAddress( to )} );
        }
        catch ( MessagingException e )
        {
            e.printStackTrace();
            return false;
        }
        return true;
    }
}