From spammer@example.net  Fri Dec  7 11:07:10 2001
Received: from evil.example.net [144.137.3.98] by chaos.example.net
    for someone@example.com; Fri, 07 Dec 2001 11:07:15 +1100 (EST)
From: "DNSBL Testing" <spammer@example.com>
To: someone@example.com
Subject: no subject needed
Date: Fri, 7 Dec 2001 07:01:03
Message-Id: <20011206235802.4FD6F1143D6@mail.netnoteinc.com>

I should not be listed: http://foo.bar.baz.uribl-example-a.com/