Send a copy of the email to the sender with phpmailer

use phpmailer I need to send a copy of the email to the sender. this feature was ok until a few weeks ago when the hosting service moved the website now everything still works. but the sender no longer receives the email

$mailer->addBcc($emailTestA); $mailer->addCc($emailTestB);

$emailTestA, $emailTestB are a array of email adddress