or trying to place order, however they mistype their email
and we have no way to get in touch with them.
This happens almost every day!!
Just now a guy emailed with some questions and guess what:
<ohenebchris>:
98.137.54.238 failed after I sent the message.
Remote host said: 554 delivery error: dd This user doesn't have a yahoo.com account (ohenebchris@yahoo.com) [0] - mta1063.mail.sp2.yahoo.com
Please please please double check email before submitting your question.

And make sure your reply-to email is setup correctly.