> (...)
> Received: (qmail 15694 invoked by uid 60001); 11 Aug 2007 14:39:08 -
> 0000
> DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
>   s=s1024; d=yahoo.com;
>   h=X-YMail-OSG:Received:Date:From:Subject:To:Cc:MIME-Version:Content-
> Type:Content-Transfer-Encoding:Message-ID;
>
> b=aM3NfS2degNwaJ6UDNeiHOg96yVA7npcmR8hAzt2fOlEdS/JUXjLFEYe3BvZUN5wY8Ynb
> 73vZMJd/iJReUIQd2ny0SiHck27J8pwotdswvSTt7BqOQuk5OqL4xhWOdP//BdLmEzQFWfW
> PO1vppNXpa0QScKV6EvvyZmBiQ4+fXU=;

This could be a pasting problem, but there seems to be an empty line in there, which would end the RFC822 header.

  Eric