Searching mails

Hai,

 I want to search mails using namazu. I have all the mails stored in a
single file(pine stores them that way). When I search using certain
keywords, namazu search returns the entire file. Is it possible for namazu
to return only messages containing those keywords.

TIA,
Raja
-- 
V V Raja Rao
http://vvrajarao.tripod.com