Hello,
I have visited the URL you provided. The order email and the lost password emails are Woocommerce functionality and our theme doesn’t influence them.
Unfortunately, we could not help you with this because we provide support services within our theme.
You can ask the Woocommerce support for further help.
You can also visit the following link for help:
https://wordpress.org/support/topic/woocommerce-emails-not-sending-5/
Best Regards.