JavaMail API with Amazon Simple Email Service (SES) using the SMTP Interface

Mail.java

import com.sun.mail.smtp.SMTPTransport;
import java.io.IOException;
import java.util.Properties;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

/**
 * Sending mails using AWS SES SMTP Interface and JavaMail
 * 
 * We assume the domain 'example.com' is verified in SES
 
 */
public class Mail {
    
    /* Your personal SMTP credentials */
    public static final String SMTP_SERVER   = "email-smtp.eu-west-1.amazonaws.com"; // depends on your region
    public static final String SMTP_USERNAME = "<your username>";
    public static final String SMTP_PASSWORD = "<your password>";
    
    public static void main(String args[]) throws MessagingException, IOException {
        
        Properties props = new Properties();
        props.put("mail.transport.protocol", "smtp")
        props.put("mail.smtp.host", SMTP_SERVER);
    	  props.put("mail.smtp.port", "587"); 
    	  props.put("mail.smtp.starttls.enable", "true");
    	  props.put("mail.smtp.auth", "true");
        /* Return path for bounces and complaints. Pick an address you own */
        props.put("mail.smtp.from", "postmaster@example.com");
        
        props.put("mail.smtp.connectiontimeout", "10000");
        props.put("mail.smtp.timeout", "10000");
        props.put("mail.smtp.writetimeout", "10000");
        
        Session session = Session.getDefaultInstance(props);
        try (SMTPTransport transport = (SMTPTransport) session.getTransport()) {
            transport.connect(SMTP_USERNAME, SMTP_PASSWORD);
            
            MimeMessage msg = new MimeMessage(session);
            msg.setFrom(new InternetAddress("noreply@example.com"));
            msg.setRecipient(Message.RecipientType.TO, new InternetAddress("success@simulator.amazonses.com"));
            msg.setSubject("Hello from SES");
            msg.setContent("<h1>Hello</h1>", "text/html; charset=utf-8");
            msg.saveChanges();
            
            transport.sendMessage(msg, msg.getAllRecipients());
            /* Log your SES message Id, AWS Support might need it */
            String serverResponse = transport.getLastServerResponse();
            String prefix = "250 Ok ";
            if (serverResponse.startsWith(prefix)) {
                String messageId = serverResponse.substring(prefix.length());
            }
        }
    }   
}