[Mailman-Users] All lists work except one

[Jonathan Duncan]

I have a server with three mailing lists on it.  Two of them send messages 
just fine.  The two lists that send fine have less than ten users each.

The third list is the newest and it does not deliver any messages that are 
sent to it.  This list has 400+ users.  If I add or remove users from this 
list, I, as list admin, get informational messages about such actions. 
However, when I or the other moderator try sending messages to this list, 
they just disappear.  Meaning, they do not go into the moderated requests 
queue, they do not bounce back to the sender, they do not get sent to 
anyone, they are not stuck in the "qfiles" directory.  From what I have 
been able to find, they are silently sent to nowhere at all, aka 
/dev/null.

Umm.. help?  Following is some information about a message that I sent 
through the list.  This information is from two log files on the server as 
indicated.

(Yes, I looked in the FAQ and searched briefly in the archives for this 
list.)

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/var/log/maillog
----------------

-Mar  8 15:21:12 mail sm-mta[68348]: j28MLBAH068348: 
from=<sender at domain.com>, size=2711, class=0, nrcpts=1, 
msgid=<20050308151539.W28582 at hostname.origination.com>, proto=ESMTP, 
daemon=MTA-v4, relay=hostname.origination.com [111.111.111.111]

-Mar  8 15:21:13 mail sm-mta[68377]: j28MLBAH068348: 
to="|/usr/local/mailman/mail/mailman post listname", 
ctladdr=<listname at domain.com> (26/0), delay=00:00:02, xdelay=00:00:01, 
mailer=prog, pri=32982, dsn=2.0.0, stat=Sent

-Mar  8 15:21:21 mail sm-mta[68471]: j28MLLSb068471: 
from=<listname-bounces at mangosteenalliance.com>, size=4003, class=-60, 
nrcpts=1, msgid=<mailman.1.1110320476.82610.listname at domain.com>, 
proto=ESMTP, daemon=MTA-v4, relay=localhost [127.0.0.1]

-Mar  8 15:21:22 mail sm-mta[68473]: j28MLLSb068471: 
to=<sender at domain.com>, delay=00:00:01, xdelay=00:00:01, mailer=local, 
pri=142225, relay=local, dsn=2.0.0, stat=Sent

-----------------------------
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~mailman/logs/smtp
------------------

Mar 08 15:21:21 2005 (82619) 
<mailman.1.1110320476.82610.listname at domain.com> smtp for 1 recips, 
completed in 0.453 seconds
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Thank you,
Jonathan