I have installed Opencart 1.5.6.4 as a fresh install. Post installation everything works like a charm, but the users aren't receiving confirmation emails on account registration, forgot password or on orders. I have tried following work around from Opencart forum, yet to be successful. If I'm using customized php auto response mail application, I'm able to send the same but not working with Opencart.
Though it shows mail sent, but not received