aura-imap.php

<?php

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

$auth_factory = new \Aura\Auth\AuthFactory($_COOKIE);
$auth = $auth_factory->newInstance();
$imap_adapter = $auth_factory->newImapAdapter(
    '{mail.example.com:993/imap/ssl}'
);
$loginService = $auth_factory->newLoginService($imap_adapter);

$loginService->login($auth, [
    'username' => 'username',
    'password' => 'password'
]);