[Mailman-Users] "-owner" works, "-admin" doesn't...

Kris Wilk kris at reefnet.ca
Thu Apr 27 20:28:53 CEST 2006

Mark Sapiro wrote:
> Yes. Your analysis seems correct. Mailman generated messages are always
> sent from <the site list>-bounces at domain.
> The only thing that puzzles me is that should also be true for the
> relay of the messages you sent to -owner so why did they go through?
> If you send a message to -owner, what do you see in the received
> message in any Return-Path: or Sender: headers?

Now we're getting somewhere...

Below is the full content of a message I just sent to 
"fubar-owner at reefnet.ca". See if this logic makes sense:

1) -owner has worked all along. Looking at the message, the Return-Path: 
is "mailman-bounces at cheiron...". cheiron is the name of the shared 
server my site is on. I suspect SMTP is configured to allow 
"mailman-bounces at cheiron..." as a sender.

2) My test yesterday showed that "mailman-bounces at reefnet.ca" (my own 
domain) was being rejected as a sender.

Is it possible that Mailman is using these two different addresses for 
the -owner and -admin situations? Would that explain why one has been 
working and the other not?



Return-path: <mailman-bounces at cheiron.multisite.site5.com>
Envelope-to: kris at reefnet.ca
Delivery-date: Thu, 27 Apr 2006 14:13:31 -0400
Received: from reefnetc by cheiron.multisite.site5.com with local-bsmtp 
(Exim 4.52)
	id 1FZAzb-0000OP-9e
	for kris at reefnet.ca; Thu, 27 Apr 2006 14:13:31 -0400
X-Spam-Checker-Version: SpamAssassin 3.1.1 (2006-03-10) on
X-Spam-Status: No, score=-104.0 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,
	USER_IN_WHITELIST autolearn=ham version=3.1.1
Received: from localhost ([] helo=cheiron.multisite.site5.com)
	by cheiron.multisite.site5.com with esmtp (Exim 4.52)
	id 1FZAzb-0000OJ-0M
	for kris at reefnet.ca; Thu, 27 Apr 2006 14:13:31 -0400
Received: from [] (helo=[])
	by cheiron.multisite.site5.com with esmtpsa (TLSv1:AES256-SHA:256)
	(Exim 4.52) id 1FZAzY-0000Nh-Sr
	for fubar-owner at reefnet.ca; Thu, 27 Apr 2006 14:13:29 -0400
Message-ID: <445109D3.3070208 at reefnet.ca>
Date: Thu, 27 Apr 2006 14:13:39 -0400
From: Kris Wilk <kris at reefnet.ca>
Organization: ReefNet Inc.
User-Agent: Thunderbird (Windows/20060308)
MIME-Version: 1.0
To: fubar-owner at reefnet.ca
Subject: Test message to fubar-owner
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-Antivirus-Scanner: This message has been scanned by ClamAV.
Errors-To: mailman-bounces at cheiron.multisite.site5.com
X-Antivirus-Scanner: This message has been scanned by ClamAV.

This is a test.

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