Re: Google Gmail mailing list bounces

[Robert Pluim]

Yuri Khan <yurivkhan@gmail.com> writes:

> On Thu, Feb 21, 2019 at 9:39 PM Robert Pluim <rpluim@gmail.com> wrote:
>
>> >>   The maximum member bounce score before the member's subscription is
>> >>   disabled. This value can be a floating point number.
>> >>   (Details for bounce_score_threshold) 5.0
>>
>> 5 bounced messages at a rate of one per day, not 5 bounces total, no?
>>
>>   increment by 0.5.  We only increment the bounce score once per day, so
>>                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>>   even if we receive ten hard bounces from a member per day, their score
>>   will increase by only 1 for that day.
>
> I am on Gmail and I have received a suspension notification today. I
> can attest that I have *not* experienced a contiguous 5-day interval
> without any new messages in help-gnu-emacs or emacs-devel.

But there might have been a total of 5 bounces over a longer
period. If I read the manual correctly, the bounce score is reset only
after 7 days of no bounces, thereʼs no daily decrement.

> This might mean *some* of the list messages bounce, and that is enough
> to push my score over the threshold. Unfortunately I do not know how
> to get details on which messages bounced and what the server said.

Yes, that info is on the list admin side. So this is all conjecture.

Robert