[Mailman-Users] Bounce Question

Dennis Putnam dap1 at bellsouth.net
Tue Mar 15 23:15:25 CET 2011

I am really trying to reply to Barry but, as a note to the admins,
Barry's message did not make it to me for some reason. If it weren't for
the replies I would not have seen this.

Thanks Barry.

P.S. I tried to go to the veenet link but it keeps timing out.

On 3/15/2011 4:41 PM, Jeff Grossman wrote:
> On Tue, 15 Mar 2011 11:24:25 -0500, Barry Finkel <bsfinkel at anl.gov> wrote:
>> On 03/15/11 09:57, Dennis Putnam wrote:
>>> Due to some long time configuration issues, which have now been
>>> resolved, I think was missing some list events. Now I have to play
>>> catchup. I am not sure how bounce processing works. Lets assume that a
>>> list member's email address goes bad. Exactly what happens to the
>>> bounced message and how does the list owner get notified? Assuming the
>>> owner missed those notifications, how can (s)he tell which users have
>>> invalid addresses? Thanks.
>> The bounce score begins at 0.0.
>> Each bounce (only one per day is counted) increases the score by
>> 1.0 or 0.5 depending upon if the -bounces processing detects a
>> soft error or hard error.  Once the bounce score reaches 5.0,
>> the subscription is set to NOMAIL, and for three successive
>> weeks, once per week, a test mail is sent to the address asking
>> the subscriber to re-confirm.  If there is no response to these
>> three mailings, then the address is unsubscribed.  All of these
>> parameters are configurable.  The bounced mail that triggers
>> the 5.0 score is sent to the list owners, the previous bounce
>> messages are discarded.  The unsubscribe notice is sent to the
>> list owners.
>> I run a report daily
>>       http://veenet.value.net/~msapiro/scripts/get_bounce_info.py
>> that tells me for each Mailman list, each subscriber that has a
>> bounce score greater than zero.  I review the report daily to
>> spot bad addresses.
>> Look at the Mailman logs
>>       /var/log/mailman/bounce
>> and maybe other logs in that directory.
> Are you sure about the 1.0 and 0.5 score based on soft and hard failure? 
> I think Mark has said previously that a soft and hard bounce both get
> scored as 1.0.
> Jeff
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