Zend_Mail with inline Zend_Mime_Part

zend_mail_example.php

<?php


require_once 'Zend/Mail.php';
require_once 'Zend/Mime/Part.php';
require_once 'Zend/Mail/Transport/Smtp.php';

$config = array(
    'name' => 'smtp.gmail.com',
    'auth' => 'login',
    'username' => '[email protected]',
    'password' => 'blahblah',
    'ssl' => 'tls',
    'port' => 587
);
$mail = new Zend_Mail();
$mail->addTo('[email protected]')
    ->setFrom('[email protected]')
    ->setBodyText('text body');

$at = new Zend_Mime_Part(file_get_contents('./public/favicon.ico'));

$at->filename = 'favicon.ico';
$at->disposition = Zend_Mime::DISPOSITION_INLINE;
$at->encoding = Zend_Mime::ENCODING_BASE64;
$at->type = 'image/png';

$mail->addAttachment($at);

$mail->send(new Zend_Mail_Transport_Smtp('smtp.gmail.com', $config));