It looks like the problem is indeed with Qmail. I finally got the telnet client installed on that box. (Don't ask me why it wasn't installed initially, but there ya go.) Telnetting to localhost 25 allowed me to verify that for whatever reason, mail being listed as from localhost or the actual machine name wasn't getting delivered to any machine that wasn't itself for some reason. I'll track this down and see if I can't solve it.

Thanks for your help.

On Friday, October 25, 2002, at 02:38 p, Christopher Calzonetti wrote:

Well, the firewall appears to be allowing connections to port 25 from 0.0.0.0/0, and /var/log/messages isn't complaining, so it's not that. I modified qmail's rcphosts file to add localhost, although that was never an issue before.

I did a quick check to discover that if a mail is denied by qmail that for some reason it's not logged anywhere by qmail os syslogd or splogger. If I can figure out how to do that, I might get more insight.

On Thursday, October 24, 2002, at 05:03 p, Jon Carnes wrote:

Hmmmm, Sounds more like a routing problem then. Still a routing problem
should show some errors in your MTA's log file.

Check out your MTA routing table and make sure that localhost
(127.0.0.1) is allowed to relay.

Good Luck!

On Thu, 2002-10-24 at 16:39, Christopher Calzonetti wrote:
Follow up. I was slightly incorrect in what I said earlier:

E-mails sent TO the list show up in the list archives. E-mails
originating FROM Mailman are what appear to be failing.

On Thursday, October 24, 2002, at 04:28 p, Christopher Calzonetti wrote:

Not exactly. Mail sent to the mailman lists just seems to disappear
into a void. As does any mail generated by Mailman, like when you
subscribe to the list through the web interface. Mailman records that
it tried to send a message to the user in the smtp and bounce logs,
but /var/log/maillog shows no record of it.

Qmail seems to be working fine otherwise. The netstat command you
suggested gives an output exactly like you indicated it would. Mail
messages get sent out from that box just fine, and messages in to not
list addresses get delivered just fine.

On Thursday, October 24, 2002, at 04:09 p, Jon Carnes wrote:

So all the mail sent to mailman lists is bouncing? but qmail doesn't
record any attempt by mailman to submit the messages?

Is Qmail listening on the localhost (127.0.0.1) interface?

netstat -na |grep ":25 "

If you see a line like the one below, then that is okay:
tcp 0 0 0.0.0.0:25 0.0.0.0:* LISTEN

If not, then Qmail may not be accepting mail sent to the local host
interface. This is the default used by Mailman. To change this, you
would have to edit ~mailman/Mailman/mm_cfg.py and use the Defaults.py
file as an example of what to put in there.

Good Luck.

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