Yahoo Message Number: 40590 (http://groups.yahoo.com/neo/groups/Country-Coach-Owners/conversations/messages/40590)
This is a hoax referring to a Postcard email attachment.
See this link for more information.
http://urbanlegends.about.com/library/bl_postcard_virus.htm (http://urbanlegends.about.com/library/bl_postcard_virus.htm) Bert