package com.phenomena.xxx.test.mail;
import jakarta.mail.*;
import jakarta.mail.internet.*;
import java.util.*;
public class MailSendTest {
private static final String SMTP_HOST_NAME = "smtp.test.com"; //or simply "localhost"
private static final String SMTP_AUTH_USER = "test"; // id
private static final String SMTP_AUTH_PWD = "1234"; // pw
private static final String emailMsgTxt = "Hell World";
private static final String emailSubjectTxt = "Title";
private static final String emailFromAddress = "test@phenomena.com";
// Add List of Email address to who email needs to be sent to
private static final String[] emailList = {"contact@me.com"};
public static void main(String args[]) throws AuthenticationFailedException, MessagingException {
MailSendTest smtpMailSender = new MailSendTest();
smtpMailSender.postMail( emailList, emailSubjectTxt, emailMsgTxt, emailFromAddress);
System.out.println("Sucessfully Sent mail to All Users");
}
public void postMail( String recipients[], String subject, String message , String from) throws MessagingException, AuthenticationFailedException {
boolean debug = false;
// Set the host smtp address
Properties props = new Properties();
props.put("mail.smtp.host", SMTP_HOST_NAME);
props.put("mail.smtp.port", "666"); //TLS Port
props.put("mail.smtp.auth", "true"); //enable authentication
props.put("mail.smtp.starttls.enable", "true"); //enable STARTTLS
props.put("mail.debug", "true");
props.put("mail.smtp.ssl.enable", "true"); //Important
Authenticator auth = new SMTPAuthenticator();
Session session = Session.getDefaultInstance(props, auth);
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);
// Setting the Subject and Content Type
msg.setSubject(subject);
msg.setContent(message, "text/plain");
Transport.send(msg);
}
private class SMTPAuthenticator extends jakarta.mail.Authenticator {
public PasswordAuthentication getPasswordAuthentication() {
String username = SMTP_AUTH_USER;
String password = SMTP_AUTH_PWD;
return new PasswordAuthentication(username, password);
}
}
}
Ref.
