Sendmail problem - Question specially for Insight BroadBand users

Steven Ulrick ulricksteven at hotmail.com
Wed May 10 02:36:56 UTC 2006


Hello, Everyone
I hope that there are some Fedora Core users out there that are using
Insight Broadband as their Internet provider.
In my area (Northern Illinois, United States of America) Insight
BroadBand has recently been upgrading their email system.  I do not use
their webmail service.  I do not even know my insightbb.com email
address.  I have chosen to use sendmail on Fedora Core 5 to send and
receive email.  I do use insightbb as my smart host, as follows:

define(`SMART_HOST',`mail.insightbb.com')dnl


This has worked perfectly with Fedora Core 3, as well as Fedora Core 5,
until Insight's recent upgrades.  I still receive email on my
afolkey2.net email address perfectly.  The problem is that I can no
longer send email to anything but an afolkey2.net email address.  Every
email that I send to a non-afolkey2.net email address IMMEDIATELY gets
me a delivery notification failure that looks like this:
Return-Path: <MAILER-DAEMON at afolkey2.net>
Received: from localhost (localhost)
	by afolkey2.net (8.13.6/8.13.6) id k4A0SVGF006978;
	Tue, 9 May 2006 19:28:31 -0500
Date: Tue, 9 May 2006 19:28:31 -0500
From: Mail Delivery Subsystem <MAILER-DAEMON at afolkey2.net>
Message-Id: <200605100028.k4A0SVGF006978 at afolkey2.net>
To: <steve at afolkey2.net>
MIME-Version: 1.0
Content-Type: multipart/report; report-type=delivery-status;
	boundary="k4A0SVGF006978.1147220911/afolkey2.net"
Subject: Returned mail: see transcript for details
Auto-Submitted: auto-generated (failure)

The original message was received at Tue, 9 May 2006 19:28:31 -0500
from localhost.localdomain [127.0.0.1]

   ----- The following addresses had permanent fatal errors -----
<elizabethulrick at hotmail.com>
    (reason: 501 #5.1.1 bad address elizabethulrick at hotmail.com)

   ----- Transcript of session follows -----
... while talking to mail.insightbb.com.:
>>>RCPT To:<elizabethulrick at hotmail.com>
<<< 501 #5.1.1 bad address elizabethulrick at hotmail.com
554 5.0.0 Service unavailable

Return-Path: <steve at afolkey2.net>
Received: from afolkey2.net (localhost.localdomain [127.0.0.1])
	by afolkey2.net (8.13.6/8.13.6) with ESMTP id k4A0SSGF006975
	for <elizabethulrick at hotmail.com>; Tue, 9 May 2006 19:28:31 -0500
Date: Tue, 9 May 2006 19:28:28 -0500
From: "Steven P. Ulrick" <steve at afolkey2.net>
To: elizabethulrick at hotmail.com
Subject: test
Message-ID: <20060509192828.704268cb at afolkey2.net>
X-Mailer: Sylpheed-Claws 2.1.0 (GTK+ 2.8.17; i386-redhat-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit


I did successfully send three emails during this period of delivery
notification failures.  Unfortunately, the only proof I have that the
one worked is that my wife says that she received it (and have no
reason to doubt her.)  The header from my sent mail folder is VERY
minimal:
Date: Sat, 6 May 2006 12:50:05 -0500
From: "Steven P. Ulrick" <steve at afolkey2.net>
To: Elizabeth A. Ulrick <ulricke at rps205.com>
Subject: Proof that Linus DOES work!
Message-ID: <20060506125005.0d227c5b at afolkey2.net>
X-Mailer: Sylpheed-Claws 2.1.0 (GTK+ 2.8.17; i386-redhat-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit

In summary, the only thing that has changed with my setup is that my
Internet provider has done upgrades to their email system.  Also, I
still receive email addressed to afolkey2.net addresses.  I just can't
send it.

I have done extensive google searches for both error numbers mentioned
in the above quoted header.  LOTS of hits, but none seem to have a
similar situation to my problem.

Have A Great Day,
Steven P. Ulrick

P.S.: I am sending this through my hotmail account :(  If it comes in HTML, 
I do apologize.  Rest assured that I will find alternate methods of 
accessing my Hotmail.

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