You did not include the whole letter....
As quoted:
Hello,
You are receiving this email because someone (hopefully you!) signed up
to be notified when our box set of the first season of Yawara! became
available for preorder. We are pleased to inform you that this has
indeed come to pass.
You can find out more info about the preorder here:
http://www.animeigo.com/products/yawara.tBest regards,
Robert Woodhead, CEO
PS: If you got this email in error, our apologies -- just delete it. We
had an idiot typing fake email addresses into our signup form for a
while. I spent about an hour this afternoon manually cleaning the list
to try and remove these fake entries, but may not have gotten them all.