Hi folks:
 
We're getting a ton of error messages like the one below. Of course,
I can find no indication of which user-id is causing this problem.
There is no match on "harmony" or "cvbnet" or "cv.com" in our
subscriber list.  Any suggestions?
 
-George Buckner
 Co-owner, [log in to unmask]
 
> Received: (from IRIS.RFMH.ORG for <@IRIS.RFMH.ORG:[log in to unmask]>
> Received: (from MAILER@NKI for MAILER@NCCIBM1 via NJE)
>  (UCLA/Mail V1.500 M-RSCS8353-8353-105); Mon, 27 Jun 94 10:55:14 EDT
> Received: from IRIS.RFMH.ORG (NJE origin LISTSERV@NKI) by IRIS.RFMH.ORG (LMail
>  V1.1d/1.7f) with BSMTP id 8350; Mon, 27 Jun 1994 10:52:44 -0400
> Return-Path: <@IRIS.RFMH.ORG:[log in to unmask]>
> Received: from NKI (NJE origin SMTP@NKI) by IRIS.RFMH.ORG (LMail V1.1d/1.7f)
>           with BSMTP id 8348; Mon, 27 Jun 1994 10:52:44 -0400
> Received: from uga.cc.uga.edu by NKI.RFMH.ORG (IBM VM SMTP V2R2) with TCP;
>    Mon, 27 Jun 94 10:52:41 EDT
> Received: from Relay.CV.COM by uga.cc.uga.edu (IBM VM SMTP V2R2) with TCP;
>    Mon, 27 Jun 94 10:56:09 EDT
> Received: from cvbnet.CV.COM by Relay.CV.COM; 27 Jun 94 10:55:23 EST
> Received: by cvbnet.CV.COM (4.1/SMI-4.0)
>         id AB17658; Mon, 27 Jun 94 10:51:22 EDT
> Date: Mon, 27 Jun 94 10:51:22 EDT
> From: [log in to unmask](Mail Delivery Subsystem)
> Subject: Returned mail: User unknown
> Message-Id: <[log in to unmask]>
> To: <[log in to unmask]>
>
>    ----- Transcript of session follows -----
> 421 harmony: Host harmony is down
> 550 Postmaster... User unknown
>
>    ----- Unsent message follows -----
> Return-Path: <@Relay.CV.COM,@UGA.CC.UGA.EDU:[log in to unmask]>
> Received: from  by cvbnet.CV.COM (4.1/SMI-4.0)
>       id AB02877; Wed, 22 Jun 94 09:44:31 EDT
> Message-Id: <[log in to unmask]>
> Received: from uga.cc.uga.edu by Relay.CV.COM; 22 Jun 94 02:32:47 EST
> Received: from UGA.CC.UGA.EDU by uga.cc.uga.edu (IBM VM SMTP V2R2)
>    with BSMTP id 5238; Wed, 22 Jun 94 00:15:47 EDT
> Received: from UGA.CC.UGA.EDU (NJE origin LISTSERV@UGA) by UGA.CC.UGA.EDU (LMa
>  V1.1d/1.7f) with BSMTP id 3036; Wed, 22 Jun 1994 00:15:46 -0400
.
.etc.
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