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Step 1

Please make sure that you have necessary java libraries being used in this java source.

Step 2

Please change the following in this source:

  • sender@example.com: the sender’s email address.
  • recipient@example.com: the recipient’s email address.
  • USERNAME: your SMTP2GO username.
  • PASSWORD: your SMTP2GO password.
package smtp2go;
import java.util.Properties;
import javax.mail.*;
import javax.mail.internet.*;
public class Smtp2go {
public static void main(String[] args) {
final String username = "USERNAME";
final String password = "PASSWORD";
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.host", "mail.smtp2go.com");
props.put("mail.smtp.port", "2525"); // 8025, 587 and 25 can also be used.
Session session = Session.getInstance(props,
new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username, password);
}
});
try {
Message message = new MimeMessage(session);
Multipart mp = new MimeMultipart("alternative");
BodyPart textmessage = new MimeBodyPart();
textmessage.setText("It is a text message n");
BodyPart htmlmessage = new MimeBodyPart();
htmlmessage.setContent("It is a html message.", "text/html");
mp.addBodyPart(textmessage);
mp.addBodyPart(htmlmessage);
message.setFrom(new InternetAddress("sender@example.com"));
message.setRecipients(Message.RecipientType.TO,
InternetAddress.parse("recipient@example.com"));
message.setSubject("Java Mail using SMTP2GO");
message.setContent(mp);
Transport.send(message);
System.out.println("Done");
} catch (MessagingException e) {
throw new RuntimeException(e);
}
}
}

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