How customers recieve confirmation after placed order

[apelsin]

Suggestion basically is to upgrade then deal with any new issues that arise. Afterall, if there have been no modifications to the code, then more than likely php version has been changed. Suggested method (if doing on ones own is: http://www.zen-cart.com/entry.php?3-...d-of-upgrading

Thank you! Right now I feel upgrade is defficult for me, I'll looking for some one do it. But before that is done, is there any posibility can set up for customers can recieve the confirmation?