Change email sender. Sender = customer (via SMTP)

Change email sender. Sender = customer (via SMTP)

I had change PHP-mail to the SMTP in Joomla system.

I'd like to recieve the customer's email adress as sender. Because it's very uncomfortable to make a reply to the customer.
Now I'm getting orders with my own email-adress as sender.

In which file and what changes I need make?

Thanks!
Denis

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Aw: Change email sender. Sender = customer (via SMTP)

components\com_jshopping\models\ordermail.php

public function sendMail($type, $recipient, $message, $vendor = null){
....
if ($type=='admin'){
$mailer->setSender($recipient);
}else{
$mailer->setSender(array($mailfrom, $fromname));
}

Aw: Change email sender. Sender = customer (via SMTP)

Unfortunately it's not working for me.
E-mails comes from the "SMTP Username e-mail", even not from the "Shop administrator E-Mail"...

settings:
JoomShopping:

Joomla Mail:

Result (gmail):

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Aw: Change email sender. Sender = customer (via SMTP)

Hello! Should i hope for the answer with solution of my problem?

Aw: Change email sender. Sender = customer (via SMTP)

Not problem in shop.