[Mailman-Users] slightly OT: on not becoming a spam source
dnewman at networktest.com
Fri May 30 17:00:09 CEST 2008
On 5/30/08 4:35 AM, Larry Stone wrote:
> On 5/29/08 11:37 PM, Jim Popovitch at yahoo at jimpop.com wrote:
>> On Fri, May 30, 2008 at 12:18 AM, David Newman <dnewman at networktest.com>
>>> Hmmm. I must be missing something, as the system is still associating each
>>> Message-ID with all 250 list subscribers.
>> VERP has nothing to do with Message-ID, and everything to do with
>> Return-Path and Sender: ;-)
> With VERP and personalization, the Return-Path, instead of being
> "listname-bounces at sendingdomain" becomes
> "listname-bounces+recipient=destdomain at sendingdomain".
> I think you said you're using Postfix in which case you need
> "recipient_delimiter = +" in your main.cf so it knows about the plus signs
> in the return paths.
ACK. Yes, that's in main.cf.
> When you then get the AOL TOS e-mail, you can figure out who the list
> recipient was as while AOL redacts the AOL recipient, they don't touch the
I wish this were true, but it appears AOL gets to the Return-Path too:
Return-Path: <redacted-bounces+redacted=aol.com at somedomain.com>
So neither Return-ID nor Message-ID identifies who's complaining.
But...this might be something. The next message header contains an ESMTP
ID that corresponds with exactly one AOL user in maillog:
Received: from rly-mh07.mx.aol.com (rly-mh07.mail.aol.com
[172.21.166.143]) by air-mh02.mail.aol.com (v121.4) with ESMTP id
MAILINMH024-be4483f8d3acf; Fri, 30 May 2008 01:14:45 -0400
Received: from mail.somedomain.com (mail.somedomain.com
[666.666.666.666]) by rly-mh07.mx.aol.com (v121.5) with ESMTP id
MAILRELAYINMH074-be4483f8d3acf; Fri, 30 May 2008 01:14:35 -0400
Received: from localhost (localhost [127.0.0.1])
by mail.somedomain.com (Postfix) with ESMTP id B55685B31C0
for <redacted>; Thu, 29 May 2008 22:14:34 -0000 (UTC)
root at mail:log# grep -i B55685B31C0 /var/log/maillog
May 29 22:14:34 mail postfix/smtpd: B55685B31C0:
May 29 22:14:34 mail postfix/cleanup: B55685B31C0:
message-id=<C464D8CB.705B%listposter at someotherdomain.net>
May 29 22:14:34 mail postfix/qmgr: B55685B31C0:
from=<members-bounces+aoluser=aol.com at somedomain.com>, size=13344,
nrcpt=1 (queue active)
Given the above, is "aoluser at aol.com" the subscriber that's complaining?
Or is it just a coincidence that that AOL user got listed first?
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