[Mailman-Users] Bounce notifications.

Timothy Park tim.park.mt at gmail.com
Fri May 29 22:16:48 CEST 2009

Thank you very much Mark.  I'm sure that we'll be able to enact one of
those options.



On Fri, May 29, 2009 at 9:18 AM, Mark Sapiro <mark at msapiro.net> wrote:
> Timothy Park wrote:
>>I'm sorry in advance if I'm not understanding Mailman's bounce notification
>>process, but here's my issue:  I've noticed that when a message bounces,
>>there are no notications to list owners.  I only stumbled upon this error
>>when we created a mailing list for a small group of developers, and one
>>wasn't receiving any email due to a problem with his mail server.  I had no
>>idea until he told me that he wasn't receiving our messages about a week
>>into the project.  When I checked Mailman's bounce log
>>(/var/log/mailmain/bounce), the erorr was there, and his bounce score was
>>1.0.  Is this the normal action of Mailman's bounce system? That is, to hold
>>off notifying the list owner of a bounce until the bounce score passes the
>>defined threshold?  If so, is there any way I can force bounce errors to be
>>delivered?  I tried disabling bounce processing, but that seems to just
>>discard bounced messages without a notification.  Some of our mailing lists
>>are "mission critical" where one person not receiving a message could be a
>>big deal, so if mailman could let us know when there is a delivery failure,
>>that would be wonderful (we wouldn't mind the extra email).  Thanks for your
> Your observations are correct and that's the way bounce processing is
> designed to work.
> If you want to be notified of every bounce, you have a few choices:
> 1) Be sure bounce_processing is Yes and bounce_notify_owner_on_disable
> is Yes, and set bounce_score_threshold <= 1.0. This will cause a
> notice to be sent to the list owner containing the bounce message on
> the first bounce. The downside is the member's delivery will also be
> disabled, and the owner will then need to re-enable it, unless the
> address is truly undeliverable.
> 2) Change the alias for LISTNAME-bounces to deliver to "owner" instead
> of "bounces". This will direct all bounces to the owner, but requires
> delivery to Mailman to be via alias and to be truly effective requires
> aliases to not be automatically generated.
> 3) Create a cron to run a few times a day and go through the bounce log
> looking for entries like
> May 28 05:06:04 2009 (12757) LISTNAME: user at example.com bounce score:
> with timestamp > than the last run and mail a notice to LISTNAME-owner.
> 4) Modify the code to do what you want.
> --
> 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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