Send email with Swift & SES

sesSwiftMail.php

<?php
/**
 * Requires
 * "swiftmailer/swiftmailer": "5.*"
 * "aws/aws-sdk-php": "2.7.25"
 */

use Aws\Common\Credentials\Credentials;
use Aws\Ses\SesClient;

require_once __DIR__ . '/../vendor/autoload.php';
date_default_timezone_set('Europe/London');

$e = Swift_Message::newInstance();

$e->setSubject('My Subject');
$e->setTo(['my@email.com' => 'me']);
$e->setFrom(['your@email' => 'you']);
$e->addPart('My email', 'text/plain');
$e->addPart('<h1>My Email</h1>', 'text/html');
$e->attach(Swift_Attachment::fromPath('/tmp/doc.pdf'));

$rawMessage = $e->toString();

$awsCredentials = new Credentials('...', '...');
$sesClient = SesClient::factory(['credentials' => $awsCredentials]);

$sentOk = $sesClient->sendRawEmail(['Data' => base64_encode($rawMessage)]);

if (!$sentOk) {
    exit('Error while sending email');
}

echo 'Email sent';