mail.php - swiftmailer + mailhog - send mail via smtp

composer.json

{
    "require": {
        "swiftmailer/swiftmailer": "^6.0"
    }
}

mail.php

<?php

require 'vendor/autoload.php';

// Create the Transport
$transport = (new Swift_SmtpTransport('localhost', 1025));

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

// Create the message
$message = (new Swift_Message())
  ->setSubject('Your subject')
  ->setFrom(['john@doe.com' => 'John Doe'])
  ->setTo(['receiver@domain.org', 'other@domain.org' => 'A name'])
  
  ->setBody('Here is the message itself')
  ->addPart('<q>Here is the message itself</q> <b>in bold!</b>', 'text/html')

  ->attach(Swift_Attachment::fromPath('/tmp/file.tar.gz'))
  ->attach(Swift_Attachment::fromPath('/tmp/image.jpg')->setFilename('new.jpg'))
;

// Send the message
try {
    $result = $mailer->send($message);
    echo 'Message has been sent';
}
catch (\Swift_TransportException $e) {
    echo 'Message could not be sent.';
    echo 'Mailer Error: ' . $e->getMessage();
}