Задваиваются письма

<?php
$email = $hook->getValue('email');
$username = $hook->getValue('username');
$password = $hook->getValue('password');
$fullname = $hook->getValue('fullname');
$phone = $hook->getValue('phone');

//отправляем админу
$message_admin = $modx->getChunk('adminEmailTemplate_reg',array(
   'email' => $email,
   'fullname' => $fullname,
   'username' => $username,
   'phone' => $phone
));
 
$modx->getService('mail', 'mail.modPHPMailer');
$modx->mail->set(modMail::MAIL_BODY,$message_admin);
$modx->mail->set(modMail::MAIL_FROM,'noreply@site.ru');
$modx->mail->set(modMail::MAIL_FROM_NAME,'Сайт');
$modx->mail->set(modMail::MAIL_SUBJECT,'регистрация участника');
$modx->mail->address('to', 'admin@site.ru');//$modx->getOption('emailsender'));
$modx->mail->setHTML(true);
$modx->mail->send();

//отправляем пользователю
$message = $modx->getChunk('myEmailTemplate_reg',array(
   'email' => $email,
   'fullname' => $fullname,
   'username' => $username,
   'password' => $password,
   'phone' => $phone
));
 
//$modx->getService('mail', 'mail.modPHPMailer');
$modx->mail->set(modMail::MAIL_BODY,$message);
$modx->mail->set(modMail::MAIL_FROM,'noreply@site.ru');
$modx->mail->set(modMail::MAIL_FROM_NAME,'Сайт');
$modx->mail->set(modMail::MAIL_SUBJECT,'регистрация');
$modx->mail->address('to', $email);
$modx->mail->setHTML(true);
$modx->mail->send();