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Why MTA-level black listing bites [Fwd: NOTICE: mail delivery status.]


BTW, I can no longer send mail (directly, anyway) to SteveB.

For reasons that are as shrouded in mystery as many of
their decisions, SPEWS has elected to list both of the SMTP servers
I have access to (work and home) on their blacklist. The one
at work is at an IP address that has been stable (and certainly
not sending spam) for a couple of years. Yes, the system administrator
in both cases has attempted to get the machines off the SPEWS list.
And failed.

From the message below, it seems that AT&T Research's MTA categorically
throws out all connections from SPEWS blacklisted IP addresses. So,
Steve is not getting my mail.

Leslie.

-------- Original Message --------
Subject: NOTICE: mail delivery status.
Date: Sat, 25 Jan 2003 18:01:18 -0500
From: Courier mail server at zak.ecotroph.net <@>
To: leslie@thinkingcat.com


This is a delivery status notification from zak.ecotroph.net,
running the Courier mail server, version 0.39.3.

The original message was received on Sat, 25 Jan 2003 18:01:07 -0500
from thinkingcat.com (ip68-98-181-124.nv.nv.cox.net [::ffff:68.98.181.124])

---------------------------------------------------------------------------

UNDELIVERABLE MAIL

Your message to the following recipients cannot be delivered:

<smb@research.att.com>:
mail-red.research.att.com [192.20.225.110]:
>>> RCPT TO:<smb@research.att.com>
<<< 550 Service unavailable; [216.38.143.123] blocked using relays.osirusoft.com, reason: [1] bulkemailsales, see http://spews.org/ask.cgi?S1829

---------------------------------------------------------------------------

If your message was also sent to additional recipients, their delivery
status is not included in this report. You may or may not receive
other delivery status notifications for additional recipients.

The original message follows as a separate attachment.


Reporting-MTA: dns; zak.ecotroph.net
Arrival-Date: Sat, 25 Jan 2003 18:01:07 -0500
Received-From-MTA: dns; thinkingcat.com (ip68-98-181-124.nv.nv.cox.net [::ffff:68.98.181.124])

Final-Recipient: rfc822; smb@research.att.com
Action: failed
Status: 5.0.0
Remote-MTA: dns; mail-red.research.att.com [192.20.225.110]
Diagnostic-Code: smtp; 550 Service unavailable; [216.38.143.123] blocked using relays.osirusoft.com, reason: [1] bulkemailsales, see http://spews.org/ask.cgi?S1829
--- Begin Message --- 
Yep -- FYI, Erik, the IAB discussed this on the IAB
call (hmmm... where are the minutes?) and we felt that
we should press on.  Ned's not responding.

Leslie.

Eric Rescorla wrote:

I'd resubmitted a modified version of the draft that
hopefully addresses Ned's objections. I guess it's
time to put it back on the IESG agenda.

Just curious - Did Ned ever sign off?

No. I sent him several pieces of e-mail but no response.

-Ekr
--- End Message ---