Look. Just got 30 of these. First international relay. Coincidence that it happened today? Or is it more likely the culprit is on this list? That is, a malicious antispammer. Actually, we were probed by someone at dansk telecom a few weeks ago. From a non-customer machine. Hmm. --Dean

X-Persona: <Av8>

...

From MAILER-DAEMON Mon Nov 22 16:53:46 1999 Date: Mon, 22 Nov 1999 16:53:46 -0500 (EST) From: Mail Delivery Subsystem <MAILER-DAEMON> To: postmaster Subject: Postmaster notify: Host unknown (Name server: servertest.com: host not found) Auto-Submitted: auto-generated (postmaster-notification)

The original message was received at Mon, 22 Nov 1999 16:53:46 -0500 (EST) from localhost

----- The following addresses had permanent fatal errors ----- <mail_from@servertest.com>

----- Transcript of session follows ----- 550 <mail_from@servertest.com>... Host unknown (Name server: servertest.com: host not found) Reporting-MTA: dns; odie.av8.com Received-From-MTA: DNS; ip111.arcnxr5.ras.tele.dk Arrival-Date: Mon, 22 Nov 1999 16:53:46 -0500 (EST)

Final-Recipient: RFC822; mail_from@servertest.com Action: failed Status: 5.1.2 Remote-MTA: DNS; servertest.com Last-Attempt-Date: Mon, 22 Nov 1999 16:53:46 -0500 (EST) Return-Path: <MAILER-DAEMON> Received: from localhost (localhost) by odie.av8.com (8.9.3/8.8.5) with internal id QAA28557; Mon, 22 Nov 1999 16:53:46 -0500 (EST) Date: Mon, 22 Nov 1999 16:53:46 -0500 (EST) From: Mail Delivery Subsystem <MAILER-DAEMON> Message-Id: <199911222153.QAA28557@odie.av8.com> To: <mail_from@servertest.com> MIME-Version: 1.0 Content-Type: multipart/report; report-type=delivery-status; boundary="QAA28557.943307626/odie.av8.com" Subject: Returned mail: Host unknown (Name server: servertest.com: host not found) Auto-Submitted: auto-generated (failure)

The original message was received at Mon, 22 Nov 1999 16:53:45 -0500 (EST) from ip111.arcnxr5.ras.tele.dk [195.249.99.111]

----- The following addresses had permanent fatal errors ----- <rcpt_to@servertest.com>

----- Transcript of session follows ----- 550 <rcpt_to@servertest.com>... Host unknown (Name server: servertest.com: host not found) Reporting-MTA: dns; odie.av8.com Received-From-MTA: DNS; ip111.arcnxr5.ras.tele.dk Arrival-Date: Mon, 22 Nov 1999 16:53:45 -0500 (EST)

Final-Recipient: RFC822; rcpt_to@servertest.com Action: failed Status: 5.1.2 Remote-MTA: DNS; servertest.com Last-Attempt-Date: Mon, 22 Nov 1999 16:53:46 -0500 (EST) Return-Path: <mail_from@servertest.com> Received: from server-test (ip111.arcnxr5.ras.tele.dk [195.249.99.111]) by odie.av8.com (8.9.3/8.8.5) with SMTP id QAA28555 for <rcpt_to@servertest.com>; Mon, 22 Nov 1999 16:53:45 -0500 (EST) Date: Mon, 22 Nov 1999 16:53:45 -0500 (EST) From: mail_from@servertest.com Message-Id: <199911222153.QAA28555@odie.av8.com> Subject: SERVER_TEST

TEST MESSAGE

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Plain Aviation, Inc dean@av8.com LAN/WAN/UNIX/NT/TCPIP http://www.av8.com ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++