Send email with attachments using amazon ses

email.php

<?php
//required `phpmailer/phpmailer` and `aws/aws-sdk-php` PHP library 

use Aws\Ses\Exception\SesException;
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\SMTP;
use PHPMailer\PHPMailer\Exception;

$AWS_ACCESS_KEY_ID = 'xxxxxxxxxxxxx';
$AWS_SECRET_ACCESS_KEY = 'xxxxxxxxxxxxxxxxxxxxxxxxxx';
$AWS_REGION = 'us-east-2';

$fromName = 'FROM_NAME';
$fromMail = 'from@email.com';
$replyName = 'REPLY_NAME';
$replyMail = 'reply@email.com';
$attachments = array(
  array(
    'fileName' => '',
    'filePath' => '',
  )
);
$subject = '';
$htmlBody = '';
$textBody = '';
$toAddresses = array(
  'test@recipient.com'
);

$client = new SesClient([
  'version' => 'latest',
  'region'  => $AWS_REGION,
  'credentials' => [
      'key'    => $AWS_ACCESS_KEY_ID,
      'secret' => $AWS_SECRET_ACCESS_KEY,
  ],
]);

$mail = new PHPMailer(true);

//To
foreach($toAddresses as $to ) {
  $mail->addAddress($to);
}

//From
if( $fromName && $fromMail ) {
    $mail->setFrom($fromMail, $fromName);
}

//Reply To
if( $replyName && $replyMail ) {
    $mail->addReplyTo($replyMail,  $replyName);
}

//Attachments
foreach($attachments as $attachment) {
    $mail->addAttachment($attachment['filePath']);
}

//Content
$mail->isHTML(true);                                  
$mail->Subject = $subject;
$mail->Body    = $htmlBody;
$mail->AltBody = $textBody;
$mail->preSend();
$rawMessage = $mail->getSentMIMEMessage();

//send raw email 
$result = $client->sendRawEmail([
    'RawMessage' => [
        'Data' => $rawMessage
    ],
]);

$messageId = $result->get('MessageId');