This particular scam booking email got  as far as stage 2 with many people. Your suspicions should arise as soon as someone asks for the return of monies on making a booking. Just ignore it. Don't block or blacklist any email coming via a website or you may block your own enquiries coming through. If you do block any email ensure that it is the scammer's own email address.

Reply-To:  dr_david1144@ymail.com
Subject:  Sent from Country Cottages Online
Headers:  Show All Headers 

******************************************************
Enquiry from countrycottagesonline.net
******************************************************
The following visitor has sent this enquiry regarding your
self-catering accommodation:

Email ID:  dr_david1144@ymail.com
Name:      Dr. David Francis
Telephone
No(Home):  +1386-490-1783
Telephone
No(Work):  +1386-490-1783
Name of
cottage:   Holiday House near Zakopane
Adults:    2
Children:  0
Pets:      0
Date from: 01/05/2010
Date to:   30/06/2010
Message:   Hello ,
David from florida state and i will like to know if your property is
available from :
Checking Date : 1 May 2010
Checkout Date 30th June 2010
2 Adults : 0 children
Let me know if the property is available or not and don''t forget to
include the prices if the property is available
Thanks
+1386-490-1783
Sent from my BlackBerry®