The texts of the order confirmation that you can change can be found at "Starting point > My Webshop > Settings > General > Texts". You can not modify all texts because this is essential information that should be in it anyway. The details that are stated on the order confirmation can be changed through Starting point > My Webshop > Settings > General > My details.
Please note! When this e-mail is made up with, for example, a logo or links, it is more likely that spam filters block the e-mail. The request for quotation can not be changed for the same reason.