the image upload utility links to the (now expired) Sony Style Imaging site.
and the, "email" function is to send a notificaiton to friends as part of the "image upload utility" process, that will contain a link for the recipients to get to your gallery on the Sony Style Imaging site.
I'm sure this is old news to some, but i'm still finding out things for my UX. Unfortunately some features just aren't 'connected' any more...
Nothing is as unequal as the equal treatment of unequals