[netblock-66-159-241-60:~] michaeljurewitz% mail michaeljurewitz
Subject: Hello
Hey.
.
EOT

and then check my mail, the messages gets returned to me with the following info:

Message 1:
From MAILER-DAEMON Tue Dec 16 19:29:20 2003
Date: Tue, 16 Dec 2003 19:29:20 -0800 (PST)
From: Mail Delivery Subsystem <MAILER-DAEMON@netblock-66-159-241-60.dslextreme.com>
To: michaeljurewitz@netblock-66-159-241-60.dslextreme.com
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
boundary="hBH3TKZQ001295.1071631760/netblock-66-159-241-60.dslextreme.com"
Subject: Returned mail: see transcript for details
Auto-Submitted: auto-generated (failure)

This is a MIME-encapsulated message

--hBH3TKZQ001295.1071631760/netblock-66-159-241-60.dslextreme.com

The original message was received at Tue, 16 Dec 2003 19:29:20 -0800 (PST)
from michaeljurewitz@localhost

----- The following addresses had permanent fatal errors -----
michaeljurewitz
(reason: 553 5.1.8 <michaeljurewitz@netblock-66-159-241-60.dslextreme.com>... Domain of sender address michaeljurewitz@netblock-66-159-241-60.dslextreme.com does not exist)
(expanded from: michaeljurewitz)

----- Transcript of session follows -----
... while talking to localhost:
>>> MAIL From:<michaeljurewitz@netblock-66-159-241-60.dslextreme.com> SIZE=41
<<< 553 5.1.8 <michaeljurewitz@netblock-66-159-241-60.dslextreme.com>... Domain of sender address michaeljurewitz@netblock-66-159-241-60.dslextreme.com does not exist
501 5.6.0 Data format error

--hBH3TKZQ001295.1071631760/netblock-66-159-241-60.dslextreme.com
Content-Type: message/delivery-status

Reporting-MTA: dns; netblock-66-159-241-60.dslextreme.com
Arrival-Date: Tue, 16 Dec 2003 19:29:20 -0800 (PST)

Final-Recipient: RFC822; michaeljurewitz@netblock-66-159-241-60.dslextreme.com
Action: failed
Status: 5.1.8
Diagnostic-Code: SMTP; 553 5.1.8 <michaeljurewitz@netblock-66-159-241-60.dslextreme.com>... Domain of sender address michaeljurewitz@netblock-66-159-241-60.dslextreme.com does not exist
Last-Attempt-Date: Tue, 16 Dec 2003 19:29:20 -0800 (PST)

--hBH3TKZQ001295.1071631760/netblock-66-159-241-60.dslextreme.com
Content-Type: message/rfc822

Return-Path: <michaeljurewitz>
Received: (from michaeljurewitz@localhost)
by netblock-66-159-241-60.dslextreme.com (8.12.9/8.12.2/Submit) id hBH3TKZP001295
for michaeljurewitz; Tue, 16 Dec 2003 19:29:20 -0800 (PST)
Date: Tue, 16 Dec 2003 19:29:20 -0800 (PST)
From: Michael Jurewitz <michaeljurewitz>
Message-Id: <200312170329.hBH3TKZP001295@netblock-66-159-241-60.dslextreme.com>
To: michaeljurewitz
Subject: Hello

Hey.

--hBH3TKZQ001295.1071631760/netblock-66-159-241-60.dslextreme.com--

Can anyone offer me some help as to how to get around this? Or educate me as to the source of my problem? Thanks!

-Mike
Sinjin5@mac.com