[Mailman-Users] Repeating Outgoing Messages

Brian Carpenter brian at emwd.com
Sun Jun 10 19:06:43 EDT 2018

Hi Mark,

There are no entries in the qfiles/retry folder. There are entries in the
smtp-failure log. It seems the outgoing post is not being sent to the recips
(8) listed in the transaction though the post is being sent to the rest of
the list members. There are no log entries for those 8 in the exim_mainlog
file which is the outgoing MTA but there are corresponding entries for the
rest of the list members. Here is what the entry in the smtp-failure log is

Jun 10 18:20:34 2018 (16020) Low level smtp error: Connection unexpectedly
closed, msgid: <BECAFE5D-21EE-478C-B042-2EFA8A3244F1 at gmail.com>
Jun 10 18:20:34 2018 (16020) delivery to *****@***** failed with code -1:
Connection unexpectedly closed

The last line is repeated for each address in the transaction.

The transaction is being re-tried every 2-3 seconds.

Brian Carpenter

Providing Cloud Services and more for over 15 years.

T: 336.755.0685
E: brian at emwd.com


> -----Original Message-----
> From: Mailman-Users <mailman-users-
> bounces+brian=emwd.com at python.org> On Behalf Of Mark Sapiro
> Sent: Sunday, June 10, 2018 5:29 PM
> To: mailman-users at python.org
> Subject: Re: [Mailman-Users] Repeating Outgoing Messages
> On 6/10/18 11:21 AM, Brian Carpenter wrote:
> >
> > I have a strange issue that has been occurring for the last 2 weeks. One
> > our mailman servers continues to have 4-5 messages stuck in the
> > folder. These messages are being removed and then readded to the folder.
> The
> > same messages over and over and over. It is causing significant I/O
usage. I
> > have to stop the mailman server and then manually remove the messages.
> They
> > are coming from one list via different members. I checked the list
> > and there is only one copy of each message listed in the archive and
> > are not being resent to list members. It's just that these 4/5 messages
> > being removed and then rewritten to the qfiles/out folder over and over.
> > Suggestions?
> My first guess is they are outgoing messages that have encountered some
> 'retryable' SMTP error on one or more recipients and are being retried.
> Normally, they would only be retried every 15 minutes, but possibly this
> is occurring more often for some reason.
> Are there entries in qfiles/retry?
> What is logged in Mailman's smtp-failure log?
> What does Mailman's bin/dumpdb show on the .pck (or maybe .bak - need a
> -p option for that) files in qfiles/out and qfiles/retry? Look
> particularly at the second object from dumpdb - bin/show-qfiles doesn't
> show that.
> What does the MTA say about these?
> --
> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
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