A scammer is using my mail server to send his scams, is there any way I can block him?
I'm using Exim4 and Dovecot on a Debian Stable distrib.
Here is the mail delivery I'm receiving:
------ This is a copy of the message, including all the headers. ------ Return-path: <email@example.com> Received: from [18.104.22.168] (helo=User) by server.hotconference.com with esmtpa (Exim 4.69) (envelope-from <firstname.lastname@example.org>) id 1Mh7A5-0008Lz-Vo; Fri, 28 Aug 2009 15:31:03 -0400 Reply-To: <email@example.com> From: "Mr. Frank Bell"<firstname.lastname@example.org> Subject: Western Union Payment Center® Date: Fri, 28 Aug 2009 12:30:54 -0700 MIME-Version: 1.0 Content-Type: text/html; charset="Windows-1251" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2600.0000 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2600.0000 <HTML><HEAD><TITLE></TITLE> </HEAD> <BODY bgcolor=#FFFFFF leftmargin=5 topin=5 rightmargin=5 bottommargin=5> <FONT size=2 color=#000000 face="Arial"> <DIV> </DIV> <DIV> Attn: Beneficiary,</DIV> <DIV> </DIV> <DIV> There is an issue with the WESTERN UNION MONEY TRANSFER NIGERIA in the amount of $500.000.00 USD directed in cash credited to file KTU/9023118308/03, at the owner of this email address. The INTERNATIONAL MONETARY FUND contacted us for your compensation a couple of hours ago due to your allocated security code.</DIV> <DIV> They said that they choose to send it to an email address instead of a name. We are unable to complete a transfer directed at an email address, so we require some more information in order to complete this transfer.</DIV> <DIV> </DIV> <DIV> FULL NAME:</DIV> <DIV> FULL CONTACT ADDRESS:</DIV> <DIV> MOBILE PHONE NUMBER:</DIV> <DIV> OCCUPATION:</DIV> <DIV> MARITAL STATUS AND AGE:</DIV> <DIV> </DIV> <DIV> In order to resolve this problem, please email via Western Union Solicitors Fund Verification Department: email@example.com</DIV> <DIV> As soon as this information is received, and you have complied with the requirements of our payment of the western union charges which is $420, payment will be made to your nominated bank account or at the counter directly from The Western Union Transferring Bank.</DIV> <DIV> Note: That this is directly from the Management of Western Union Money Transfer NIGERIA Head Office and our Motto is (To Serve You Better).</DIV> <DIV> Also note that you would be responsible for any payment that is needed for the transfer of your funds into your nominated bank account or at the counter directly from the Western Union Transferring Bank.</DIV> <DIV> THE MANAGEMENT OF WESTERN UNION MONEY TRANSFER, DISPATCHED THIS DAY.</DIV> <DIV> </DIV> <DIV> Call this number for verification +2348032263275</DIV> <DIV> Sincerely,</DIV> <DIV> Mr. Frank Bell.</DIV> </FONT> </BODY></HTML>
Return-Path: <> Delivered-To: firstname.lastname@example.org Received: (qmail 5451 invoked from network); 14 Sep 2009 13:46:51 -0000 Received: from mx24-g26.free.fr (HELO server.hotconference.com) (22.214.171.124) by mrelay6-g25.free.fr with SMTP; 14 Sep 2009 13:46:51 -0000 Received: from server.hotconference.com ([126.96.36.199]) by mx2-g20.free.fr (MXproxy) for email@example.com ; Mon, 14 Sep 2009 15:46:51 +0200 (CEST) X-ProXaD-SC: state=HAM score=10 Received: from mailnull by server.hotconference.com with local (Exim 4.69) id 1MnBtK-0001Qr-Le for firstname.lastname@example.org; Mon, 14 Sep 2009 09:46:50 -0400 Auto-Submitted: auto-replied From: Mail Delivery System <Mailer-Daemon@server.hotconference.com> To: email@example.com Subject: Warning: message 1Mh72E-0007Zk-0r delayed 384 hours Message-Id: <E1MnBtK-0001Qr-Le@server.hotconference.com> Date: Mon, 14 Sep 2009 09:46:50 -0400 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server.hotconference.com X-AntiAbuse: Original Domain - free.fr X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - X-Source: X-Source-Args: X-Source-Dir: This message was created automatically by mail delivery software. A message that you sent has not yet been delivered to one or more of its recipients after more than 384 hours on the queue on server.hotconference.com. The message identifier is: 1Mh72E-0007Zk-0r The subject of the message is: Western Union Payment Center® The date of the message is: Fri, 28 Aug 2009 12:22:46 -0700 The addresses to which the message has not yet been delivered are: firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org email@example.com firstname.lastname@example.org No action is required on your part. Delivery attempts will continue for some time, and this warning may be repeated at intervals if the message remains undelivered. Eventually the mail delivery software will give up, and when that happens, the message will be returned to you.