[Mailman-Users] Mailman not sending out emails

Richard Barrett r.barrett at openinfo.co.uk
Fri Oct 22 17:12:11 CEST 2004

What do Mailman's post, smtp, smtp-failure and error logs show when the 
problem list is posted to?

If the MM post and smtp logs show the messages are apparently being 
sent out and accepted by your outbound MTA then in the MTA logs there 
should be a matching from= record(s) from the listname-bounces address 
referring to the message-id shown in the MM smtp log and a following 
to= record with the same identifier field which should contain "Message 
accepted for delivery" if all was normal. If it does not then this may 
be a clue to what is happening.

On 22 Oct 2004, at 15:41, Steph Smith wrote:

> We've had mailman 2.1 up and running for a while now. We host lists for
> a number of different domains, and have been using the virtual host
> support. I've just set up a new virtual domain, however, and have run
> into some wonkiness that I can't track. Its only happening with this 
> one
> virtual domain (listserv.kw-php.org), but it does happen with all of 
> the
> lists on the domain.
> I'm still a little fuzzy on what exactly is happening, but what it
> *looks like* is this:
> * I create a new list with the create script
> * I test the list by sending a sunscribe request through the listinfo
>   page; it works as expected
> * I test the list by sending a message to the list; it comes through as
>   expected
> * I then go on to customize the list. I haven't been able to pinpoint
>   anything in here that actually causes the problem; its all standard
>   stuff, that I've been doing on other lists that do work:
>   Change privacy options-sender to allow anyone to send to the list
>   Remove pre-existing reply-to headers, and set the reply-to to an
>   explicit address
>   Add a list alias to the recipients list (so that we can send
>   to @kw-php.org, rather than to @listserv.kw-php.org)
>   Restrict the members list to admin only
>   I think that's about it.
> * When I go back to check the list again, Mailman no longer sends mail
>   out. It will receive posts (and I can verify that they are in the
>   archive), but it doesn't distribute them to the subscriber list. If
>   I fill out a subscription request, it doesn't sent out the
>   confirmation email. If, as a subscriber, I ask it to send me my
>   password, it fails to do this as well.
> I imagine that its something very stupid and obvious that I've done or
> not done. The fact that it worked in the first place does confuse
> me--none of the things that I changed should have broken anything (and,
> indeed, never break anything for other domains).
> Just to overview the steps I took in setting up the virtual domain:
> * added listserv.kw-php.org to /etc/mail/mailertable, /etc/mail/access,
>   and /var/mailman/Mailman/mm_cfg.py
> * added listserv.kw-php.org to the DNS, both as an A record (pointing 
> to
>   the server's IP), and as an MX
> I've been hoping to find something in the logs, but haven't found
> anything at all in /var/mailman/logs. Actually, its empty, so I wonder
> if logging is somehow not turned on??
> I've also tried looking through the sendmail logs, but I'm not 100% 
> what
> I'm looking at all the time ;) I haven't found anything relating to the
> domain in question which looks like an error. Just nothing which looks
> like an attempt to send anything from the list. So I don't think its
> making it even that far.
> At this point, I'm stumped. If anyone can suggest places that I might
> look, to ramp up the troubleshooting, how I can be sure that logging is
> working for Mailman, etc., it would be greatly appreciated! I don't 
> know
> python from jack, but I'm not afraid to look at code either ^_-
> If there's any additional information I can provide, which I've
> forgotten, please let me know! This is running off of RedHat box, and
> we're using Sendmail.
> Thanks in advance!
> -- 
> The personal computer market is about the same size as the total 
> potato chip
> market.  Next year it will be about half the size of the pet food 
> market and
> is fast approaching the total worldwide sales of pantyhose"
> 		-- James Finke, Commodore Int'l Ltd., 1982
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