I see variations of the following from time to time.  My take on it is
that "owner-LISTSERV" (a reasonable final resort to complain TO, given
that the "from:" is lost to the extra blank line after the msg-id) is
being treated as the valid sender.  I think what is intended here is
a message to owner-LISTSERV saying something more useful like "botched
header".  A confusing variation of this is the mysterious notifications
I get telling me that my submission to some (moderated) list I've never
participated in has been submitted to The Editor for approval.
                                              -Kary
 
 ===============================================================================
Return-Path: <>
Date:         Tue, 28 Nov 1995 12:12:06 -0500
From:         "L-Soft list server at SJUVM (1.8b)" <[log in to unmask]>
Subject:      LISTSERV: error report from SJUVM.STJOHNS.EDU
To:           "Paul M. Karagianis" <[log in to unmask]>
X-LSV-ListID: None
 
The enclosed mail file has been identified as a delivery error for list
LISTSERV because it was sent to the reserved 'owner-listserv' mailbox.
 
------------------------------ Message in error -------------------------------
Received: from SJUVM.STJOHNS.EDU (NJE origin LISTSERV@SJUVM) by
          SJUVM.STJOHNS.EDU (LMail V1.2a/1.8a) with BSMTP id 8344; Tue, 28 Nov
          1995 12:11:42 -0500
Date:         Tue, 28 Nov 1995 12:11:41 -0500
From:         "L-Soft list server at SJUVM (1.8b)" <[log in to unmask]>
Subject:      Rejected posting to [log in to unmask]
To:           [log in to unmask]
 
You  are   not  authorized  to  send   mail  to  the  RW-L   list  from  your
[log in to unmask] account. You might  be authorized to send to
the list  from another of your  accounts, or perhaps when  using another mail
program which generates slightly different addresses, but LISTSERV has no way
to associate this other account or address with yours. If you need assistance
or if  you have any  question regarding the policy  of the RW-L  list, please
contact the list owners: [log in to unmask]
 
------------------------ Rejected message (47 lines) --------------------------
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X400-MTS-Identifier: [/c=us/admd=telemail/prmd=nasa/; 05FC930BB40CB0A4-Triton]
Content-Identifier: 05FC930BB40CB0A4
Content-Return: Allowed
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 <05FC930BB40CB0A4*/c=us/admd=telemail/prmd=nasa/o=jpl/ou=ccmail/s=joeuse/g=P/i=
 A/@MHS>
Date: 28 Nov 1995 09:03:07 -0800
From: "Joe User" <[log in to unmask]>
To: "[log in to unmask]" <[log in to unmask]> (Return requested)
Subject: Re[2]: RW-L Re: some topic
MIME-Version: 1.0
 
 
<pmk: text deleted>