[Nmh-workers] Help: Sent too big a file, now I am getting an infinite stream

[norm]

Now I am getting an infinite stream of messages like the attached.
How do I stop the stream.
This happened to me once before. Somebody told me what to do, but I
can't find the thread.

    Norman Shapiro
> --- Begin Message ---
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> Subject: 
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> Mail delivery failed: returning message to sender
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>
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> Date: 
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> Tue,  3 Feb 2015 13:15:44 -0800 (PST)
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> This message was created automatically by mail delivery software.
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> A message that you sent could not be delivered to one or more of its
> recipients. This is a permanent error.
>
> Reason: This message was too large (SMTP error 552).
>
> The following address(es) failed:
> address@hidden
>    SMTP error: 552 5.3.4 Message size exceeds fixed limit
>
> Reporting-MTA: dns; lad.dad.org
>
> Final-Recipient: rfc822; norm@localhost
> Last-Attempt-Date: Tue, 03 Feb 2015 13:15:44 -0800 (PST)
> Action: failed
> Status: 5.3.4
> Diagnostic-Code: 552 5.3.4 Message size exceeds fixed limit
>
> Received: from ns2.adzone.com (ns2.adzone.com [96.247.50.174])
>         by mail1.rawbw.com (8.14.2/8.14.2) with ESMTP id t13GevgZ098584
>         for <address@hidden>; Tue, 3 Feb 2015 08:41:03 -0800 (PST)
>         (envelope-from address@hidden)
> Received: from shell1.rawbw.com (shell1.rawbw.com [198.144.192.42])
>         by ns2.adzone.com (8.14.4/8.14.5) with ESMTP id t13GdPOp104624
>         for <address@hidden>; Tue, 3 Feb 2015 08:39:25 -0800
> Received: from lad.dad.org ([198.144.207.170])
>         by shell1.rawbw.com (8.14.9/8.14.9) with ESMTP id t13GZoMU085264;
>         Tue, 3 Feb 2015 08:35:50 -0800 (PST)
>         (envelope-from address@hidden)
> Message-Id: <address@hidden>
> X-Authentication-Warning: shell1.rawbw.com: Host [198.144.207.170] claimed to 
> be lad.dad.org
> To: Red Hat Support <address@hidden>, address@hidden
> Subject: Re: (Waiting on Customer) Case #01180929 (What video card hardware, if 
> any, is supported by default in Redhat, and is there a hardware compatibility 
> list) [ ref:00DA0000000HxWHMA0.500A000000Mz2xFIAR:ref ]
> In-reply-to: Your message of "Thu, 28 Aug 2014 15:27:49 -0000."
>              <address@hidden>
> Reply-To: Norman Shapiro <address@hidden>
> From: address@hidden
> MIME-Version: 1.0
> Content-Type: multipart/mixed; boundary="----- =_aaaaaaaaaa0"
> Content-ID: <address@hidden>
> Date: Tue, 03 Feb 2015 08:35:49 -0800
>
> --- End Message ---