Returned mail: User unknown

The original message was received at Fri, 8 Jul 2005 06:19:32 -0400 (EDT)
from host81-138-14-27.in-addr.btopenworld.com [81.138.14.27]


*** ATTENTION ***

Your e-mail is being returned to you because there was a problem with its
delivery. The address which was undeliverable is listed in the section
labeled: "----- The following addresses had permanent fatal errors -----".

The reason your mail is being returned to you is listed in the section
labeled: "----- Transcript of Session Follows -----".

The line beginning with "<<<" describes the specific reason your e-mail could
not be delivered. The next line contains a second error message which is a
general translation for other e-mail servers.

Please direct further questions regarding this message to your e-mail
administrator.

--AOL Postmaster



----- The following addresses had permanent fatal errors -----
<vigi777@aol.com>

----- Transcript of session follows -----
... while talking to air-xh02.mail.aol.com.:
>>> RCPT To:<vigi777@aol.com>
<<< 550 MAILBOX NOT FOUND
550 <vigi777@aol.com>... User unknown
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From: lurker@lists.plug.phoenix.az.us
To: vigi777@aol.com
Subject: Message could not be delivered
Date: Fri, 8 Jul 2005 11:19:29 +0100
MIME-Version: 1.0
Content-Type: multipart/mixed;
    boundary="----=_NextPart_000_0013_53B119A8.F06F2AA8"
X-Priority: 3
X-MSMail-Priority: Normal
X-Mailer: Microsoft Outlook Express 6.00.2600.0000
X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2600.0000
X-AOL-IP: 81.138.14.27
X-AOL-SCOLL-SCORE: 0:2:246194237:13958643
X-AOL-SCOLL-URL_COUNT: 0
Message-ID: <200507080619.48942ce5332cb@rly-xh02.mx.aol.com>