[Mailman-Users] Many users unsubscribed at once (not by me)

[Jayson Smith]

Hi,

Unfortunately, disabling automatic removal from the list will only fix 
one effect of the problem, not the problem itself. There's something 
going on which is causing mail to those addresses to bounce. If you are 
receiving messages with the subject of "Bounce action notification" 
these will tell you who is bouncing mail, and the attached mail delivery 
failure reports will tell you why they are bouncing mail, which is 
important. I suspect you have a DMARC or IP reputation issue.

Hope this helps.

Jayson

On 12/13/2015 5:55 AM, Hal wrote:
> On 13/12/2015 11:14, Hal wrote:
>> On 12/12/2015 23:04, Mark Sapiro wrote:
>>> On 12/12/2015 01:46 PM, Hal wrote:
>>>> Today I received 18 unsubscribe notification mesages, each one telling
>>>> me that "name at addr.ess has been removed from my_list_name".
>>
>>> If they were sent at 09:00 server time (that's the default, but it 
>>> could
>>> be different) They were almost certainly unsubscribes done by Mailman's
>>> cron/disabled job.
>>
>> Thanks -Yes, that's right! 09.00 at the server's time.
>
>> Seeing that 17 out of those 18 unsubscribed messages were sent from
>> Hotmail I can only assume the above was what happened. Next I will
>> locate the other instance I had of automated removals to see if there's
>> a similar pattern there.
>
> I found the previous instance (actually a couple of other instances) 
> when list members had automatically been removed at 09:00, but I 
> didn't see any pattern in the addresses as they were all different.
> Still, I suppose I should just turn the automatic removal option off 
> so this won't ever happen again.
>
> Hal
>
>
>
>
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