How to send mail using SwiftMailer in php

This tutorial we are going send mail using Swiftmailer. We are going to create SMTP user to send mail here are the steps.

• Create SMTP user.
• Install SwiftMailer using composer.
• Create File for sending mail.

Install SwiftMailer using Composer.

composer require swiftmailer/swiftmailer

When installation completed, create new file for sending mail and include autoload.php file.

Create sendmail.php file

<?php
require_once './vendor/autoload.php';
$transport = (new Swift_SmtpTransport(SMTP_SERVER, SMTP_Port))
  ->setUsername(SMTP_Username)
  ->setPassword(SMTP_Password)
;

// Create the Mailer using your created Transport
$mailer = new Swift_Mailer($transport);

// Create a message
$message = (new Swift_Message($subject='Wonderful Subject'))
  ->setFrom([SMTP_Username => $from_mail='John Due'])
  ->setTo($email)
  ->setBody('<h1>This is HTML body text</h1>' ,"text/html");
  
 
// Send the message
$result = $mailer->send($message);

if ($result) {
    echo "Message has been successfully sent!";
}