OOT Sendmail: Suspicious emails in mqueue

[Budi Febrianto]

Hello redhat-list,
  This morning I saw many suspicious emails in one of my sendmail
  server.
  I'm not sure where these emails coming from, because it says from
  localhost.
  This is a virus?
  
  This is one of them.

  >>>>>
  V8
  T1157070533
  K1157076972
  N8
  P745773
  I3/3/729316
  MDeferred: Connection timed out with mx3.ntt.net.id.
  Frs
  $_localhost
  $r
  $slocalhost
  ${daemon_flags}
  ${if_addr}172.16.5.22
  SMAILER-DAEMON
  MDeferred: Connection timed out with mx3.ntt.net.id.
  rRFC822; abc at example.com
  RPF:<abc at example.com>
  H?P?Return-Path: <<81>g>
  H??Received: from localhost (localhost)
  by nospam.mydomain.com (8.13.1/8.13.1) id k810SfPX032754;
  Fri, 1 Sep 2006 07:28:53 +0700
  H??Date: Fri, 1 Sep 2006 07:28:53 +0700
  H??From: Mail Delivery Subsystem <MAILER-DAEMON>
  H??Full-Name: Mail Delivery Subsystem
  H??Message-Id: <200609010028.k810SfPX032754 at nospam.mydomain.com>
  H??To: <abc at example.com>
  H??MIME-Version: 1.0
  H??Content-Type: multipart/report; report-type=delivery-status;
  boundary="k810SfPX032754.1157070533/nospam.mydomain.com"
  H??Subject: Returned mail: see transcript for details
  H??Auto-Submitted: auto-generated (failure)
  H??X-mydomain-MailScanner-Information: Please contact the ISP for more information
  H??X-mydomain-MailScanner: Found to be clean
  H??X-mydomain-MailScanner-SpamCheck: not spam (whitelisted),
  SpamAssassin (score=0.141, required 4, autolearn=disabled,
  BAYES_50 0.00, FROM_NO_LOWER 0.14, NO_RELAYS -0.00)
  H??X-mydomain-MailScanner-From: mailer-daemon

  >>>>>

-- 
Best regards,
 Budi Febrianto mailto:bfebrian at gmx.net