Anyone else getting posts back as email undeliverable bounces?

[Bengt Richter]

It seems lately all my posts have been coming back to me as bounced emails,
and I haven't emailed them ;-(

I've been getting  bounce messages like (excerpt):
...
_______________________________________________

This is the Postfix program at host deimos.liage.net.

I'm sorry to have to inform you that your message could not be
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to <postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

			The Postfix program

<lists at lindensys.net>: Host or domain name not found. Name service error for
    name=lindensys.net type=A: Host not found
Reporting-MTA: dns; deimos.liage.net
X-Postfix-Queue-ID: DC5264161
X-Postfix-Sender: rfc822; bokr at oz.net
Arrival-Date: Thu, 22 Sep 2005 19:50:13 -0400 (EDT)

Final-Recipient: rfc822; lists at lindensys.net
Action: failed
Status: 5.0.0
Diagnostic-Code: X-Postfix; Host or domain name not found. Name service error
    for name=lindensys.net type=A: Host not found
Received: by deimos.liage.net (Postfix, from userid 126)
	id DC5264161; Thu, 22 Sep 2005 19:50:13 -0400 (EDT)
Received: from smtp-vbr5.xs4all.nl (smtp-vbr5.xs4all.nl [194.109.24.25])
	by deimos.liage.net (Postfix) with ESMTP id 79D8340AA
	for <lists at listpreserve.org>; Thu, 22 Sep 2005 19:50:13 -0400 (EDT)
Received: from bag.python.org (bag.python.org [194.109.207.14])
	by smtp-vbr5.xs4all.nl (8.13.3/8.13.3) with ESMTP id j8MNoClb072177
	for <lists at listpreserve.org>; Fri, 23 Sep 2005 01:50:12 +0200 (CEST)
	(envelope-from python-list-bounces+lists=listpreserve.org at python.org)
Received: from bag.python.org (bag [127.0.0.1])
	by bag.python.org (Postfix) with ESMTP id 8C4871E4013
	for <lists at listpreserve.org>; Fri, 23 Sep 2005 01:50:10 +0200 (CEST)
_________________________________________________
...


Regards,
Bengt Richter