Code:
Return-path: <noreply@cpanel.net>
Envelope-to: xxxxxxx@xxxxxxxxxx
Delivery-date: Fri, 22 Feb 2013 01:48:37 +0100
Received: from mx1.cpanel.net ([208.74.121.68]:46936)
by xxxxxxxxxxxxxxxxxxxxxx with esmtps (TLSv1:DHE-RSA-AES256-SHA:256)
(Exim 4.80)
(envelope-from <noreply@cpanel.net>)
id 1U8goX-00020r-4G
for xxxxxxxxxxxxxxxx; Fri, 22 Feb 2013 01:48:37 +0100
Received: from kangaroo.manage2.cpanel.net ([208.74.121.26]:35891)
by mx1.cpanel.net with esmtps (TLSv1:DHE-RSA-AES256-SHA:256)
(Exim 4.80)
(envelope-from <noreply@cpanel.net>)
id 1U8goV-0001Ht-Ca
for xxxxxxxxxxxxxxxxxxxx; Thu, 21 Feb 2013 18:48:35 -0600
Received: from manage by kangaroo.manage2.cpanel.net with local (Exim 4.69)
(envelope-from <noreply@cpanel.net>)
id 1U8goV-0001hy-6L
for xxxxxxxxxxxxxxxxxxx; Thu, 21 Feb 2013 18:48:35 -0600
Content-Disposition: inline
Content-Length: 828
Content-Transfer-Encoding: binary
Content-Type: text/plain
MIME-Version: 1.0
X-Mailer: MIME::Lite 3.01 (F2.74; T1.20; A2.08; B3.07; Q3.07)
Date: Fri, 22 Feb 2013 00:48:35 UT
From: no-reply@cpanel.net
To: xxxxxxxxxxxxxxxxxxxx
Subject: Important Security Alert (Action Required)
Message-Id: <E1U8goV-0001hy-6L@kangaroo.manage2.cpanel.net>
X-AntiAbuse: This header was added to track abuse, please include it with any abuse report
X-AntiAbuse: Primary Hostname - mx1.cpanel.net
X-AntiAbuse: Original Domain - xxxxxxxxxxxxxxx
X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12]
X-AntiAbuse: Sender Address Domain - cpanel.net
X-Get-Message-Sender-Via: mx1.cpanel.net: acl_c_relayhosts_text_entry: -unknown-@cpanel.net|cpanel.net
X-Antivirus-Scanner: Clean mail though you should still use an Antivirus
are you still thinking it is not from cPanel? So how it was send by their mx servers then?