We are receiving complaints from our users about "Message Status -
Undeliverable" messages. Our environment is GW 8.0.2 on NW 6.5 SP8,
eDir 8.8 SP5. Most clients are 7.0.4 still, with a few 8.0.2. These
undeliverables usually result from "Rules" that have fired off. The
following is an edited example.

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The attached file had the following undeliverable recipient(s):

Information about your message:
Subject: Re: LastName, Firesname
GroupWise Message Id: 4C8A7081.37B:173:53296
Message log tag: 120070
Number of send attempts: 1
Time of initial send attempt: 09-10-10 10:53:06

Transcript of session follows:
Command: MAIL FROM:<Mailer-Daemon@ GWIAServer.OurDomain.CA.GOV>
Response: 501 5.1.7 Invalid address

Received: from MBCWEB-MTA by GWIAServer.OurDomain.CA.GOV
with Novell_GroupWise; Fri, 10 Sep 2010 10:53:06 -0700
Message-Id: <4C8A0E11020000AD00054FEE@ GWIAServer.OurDomain.CA.GOV>
X-Mailer: Novell GroupWise Internet Agent 8.0.2
Date: Fri, 10 Sep 2010 10:53:05 -0700
From: "FirstName LastName" <FirstName.LastName@ourdomain.ca.gov>
To: "User Name" <User.Name@Domain.ca.gov >
Subject: Re: LastName, Firesname
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline
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Any ideas what would cause this????