Symfony Mailer complex example

symfony-mailer-complex.php

<?php
declare(strict_types=1);

require_once __DIR__ . '/../vendor/autoload.php';

use Symfony\Component\Mailer\Mailer;
use Symfony\Component\Mailer\Transport\Smtp\EsmtpTransport;
use Symfony\Component\Mime\Email;
use Symfony\Component\Mime\NamedAddress;

$transport = new EsmtpTransport('192.168.99.100', 5025);
$mailer = new Mailer($transport);

$email = (new Email())
    ->from(new NamedAddress('thomas@example.com', 'Thomas'))
    ->to(new NamedAddress('john@example.com', 'John'))
    ->subject('Symfony Mailer multipart e-mail')
    ->text('This is the text of the email.')
    ->html(fopen(__DIR__ . '/../template/mail.html', 'r'))
    ->attach(fopen(__DIR__ . '/../screen.png', 'r'), 'image-file-name.png', 'image/png')
;

$mailer->send($email);