[Mailman-Users] Odd Behavior

[Dennis Putnam]

I'm not sure this is really a Mailman issue but at this point, I don't
know where else to start. The problem stems from email to the root user.
I have an alias set (postfix) to send mail for root to my administrator
address. If it matters this address is in a different domain so the form
of the alias is administrator at myotherdomain.com. Also, FWIW, this seems
to have started when I upgraded from Mandriva 2007 to 2008.2.

What is happening, is that mail to root is somehow being routed through
Mailman. Each time something is sent to root, the following error email
is generated:

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

This is the mail system at host home.mydomain.com.

I'm sorry to have to inform you that your message could not
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 mail system

<"mailman-loop:/var/lib/mailman/data/owner-bounces.mbox"@home.mydomain.com>
    (expanded from <root>): unknown user:
    "mailman-loop:/var/lib/mailman/data/owner-bounces.mbox"

<"mailman:|/usr/lib/mailman/mail/mailman post mailman"@home.mydomain.com>
    (expanded from <root>): unknown user:
    "mailman:|/usr/lib/mailman/mail/mailman post mailman"

<"mailman-admin:|/usr/lib/mailman/mail/mailman admin
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-admin:|/usr/lib/mailman/mail/mailman admin mailman"

<"mailman-bounces:|/usr/lib/mailman/mail/mailman bounces
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-bounces:|/usr/lib/mailman/mail/mailman bounces mailman"

<"mailman-confirm:|/usr/lib/mailman/mail/mailman confirm
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-confirm:|/usr/lib/mailman/mail/mailman confirm mailman"

<"mailman-join:|/usr/lib/mailman/mail/mailman join mailman"@home.mydomain.com>
    (expanded from <root>): unknown user:
    "mailman-join:|/usr/lib/mailman/mail/mailman join mailman"

<"mailman-leave:|/usr/lib/mailman/mail/mailman leave
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-leave:|/usr/lib/mailman/mail/mailman leave mailman"

<"mailman-owner:|/usr/lib/mailman/mail/mailman owner
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-owner:|/usr/lib/mailman/mail/mailman owner mailman"

<"mailman-request:|/usr/lib/mailman/mail/mailman request
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-request:|/usr/lib/mailman/mail/mailman request mailman"

<"mailman-subscribe:|/usr/lib/mailman/mail/mailman subscribe
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-subscribe:|/usr/lib/mailman/mail/mailman subscribe mailman"

<"mailman-unsubscribe:|/usr/lib/mailman/mail/mailman unsubscribe
    mailman"@home.mydomain.com> (expanded from <root>): unknown user:
    "mailman-unsubscribe:|/usr/lib/mailman/mail/mailman unsubscribe mailman"

.
.
.

Reporting-MTA: dns; home.mydomain.com
X-Postfix-Queue-ID: C0B9C85073
X-Postfix-Sender: rfc822; root at home.mydomain.com
Arrival-Date: Mon, 25 May 2009 04:11:19 -0400 (EDT)

Final-Recipient: rfc822; "mailman-loop:/var/lib/mailman/data/owner-bounces.mbox"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-loop:/var/lib/mailman/data/owner-bounces.mbox"

Final-Recipient: rfc822; "mailman:|/usr/lib/mailman/mail/mailman post mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman:|/usr/lib/mailman/mail/mailman post mailman"

Final-Recipient: rfc822; "mailman-admin:|/usr/lib/mailman/mail/mailman admin mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-admin:|/usr/lib/mailman/mail/mailman admin mailman"

Final-Recipient: rfc822; "mailman-bounces:|/usr/lib/mailman/mail/mailman bounces mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-bounces:|/usr/lib/mailman/mail/mailman bounces mailman"

Final-Recipient: rfc822; "mailman-confirm:|/usr/lib/mailman/mail/mailman confirm mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-confirm:|/usr/lib/mailman/mail/mailman confirm mailman"

Final-Recipient: rfc822; "mailman-join:|/usr/lib/mailman/mail/mailman join mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-join:|/usr/lib/mailman/mail/mailman join mailman"

Final-Recipient: rfc822; "mailman-leave:|/usr/lib/mailman/mail/mailman leave mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-leave:|/usr/lib/mailman/mail/mailman leave mailman"

Final-Recipient: rfc822; "mailman-owner:|/usr/lib/mailman/mail/mailman owner mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-owner:|/usr/lib/mailman/mail/mailman owner mailman"

Final-Recipient: rfc822; "mailman-request:|/usr/lib/mailman/mail/mailman request mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-request:|/usr/lib/mailman/mail/mailman request mailman"

Final-Recipient: rfc822; "mailman-subscribe:|/usr/lib/mailman/mail/mailman subscribe mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-subscribe:|/usr/lib/mailman/mail/mailman subscribe mailman"

Final-Recipient: rfc822; "mailman-unsubscribe:|/usr/lib/mailman/mail/mailman unsubscribe mailman"@home.mydomain.com
Original-Recipient: rfc822; root
Action: failed
Status: 5.1.1
Diagnostic-Code: X-Postfix; unknown user:
    "mailman-unsubscribe:|/usr/lib/mailman/mail/mailman unsubscribe mailman"

.
.
.
Subject:
Cron <root at dap002> nice -n 19 run-parts --report /etc/cron.daily
From:
root at home.mydomain.com (Cron Daemon)
Date:
Mon, 25 May 2009 04:02:01 -0400 (EDT)

To:
root at home.mydomain.com


/etc/cron.daily/msec:
diff: /var/log/security/chkrootkit.today: No such file or directory


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This continues for every mailing list on the host. I should note that
all the mailing lists seem to otherwise be functioning properly. Is
there something in my Mailman configuration that can intercept all mail
(outgoing?) and try to process it or is something else going on? Any
help trying to figure this out would be greatly appreciated.