[Cboldt]

The two "Received" lines report the route the message took. They report (perhaps based on spoofed input) that Yahoo received the emails from a dynamic (e.g., dialup or internet cafe) account that hooked up to telecomitalia.it.

From
Mon Jan 25 06:42:56 2010 
X-Account-Key: account11 
X-UIDL: UID204928-1203640919
X-Mozilla-Status: 0001 
X-Mozilla-Status2: 00000000 
X-Mozilla-Keys: 
Return-path:
Envelope-to: hotair@edmorrissey.com 
Delivery-date: Mon, 25 Jan 2010 07:38:46 -0500
Received: from tosh-PC (host11-164-dynamic.59-82-r.retail.telecomitalia.it [82.59.164.11])
   by (Postfix) with SMTP id DBC0C1E1C6AB Mon, 25 Jan 2010 06:38:30 -0600 (CST) 
Received: from [82.59.164.11] by web335.mail.yahoo.com via HTTP; Mon, 25 Jan 2010 12:22:20 GMT 
Message-Id:
Date: Mon, 25 Jan 2010 08:22:20 -0400 
From: "Ellie Light" 
User-Agent: Mozilla 2.0 (Macintosh; I; 68K)
MIME-Version: 1.0

[Glenn]

68K Macintosh user agent is ancient! Pre Y2K.

[Spiff]

Or they’re using TOR to mask their actual ISP.