If you would like to contact us regarding a Pre-Sales question we would prefer you to post a message on our forum under the Pre-Sales section, but if you wish, you may email queries through to us at:

At this time email is the only point of communication with the PHPCart team. We are looking into telephone support for future developments and will post details on this page if we get a telephone support desk setup.

http://www.phpcart.net/forum/