[Mailman-Users] Many users unsubscribed at once (not by me)
my_list_address at yahoo.no
Sat Dec 12 16:46:46 EST 2015
Today I received 18 unsubscribe notification mesages, each one telling
me that "name at addr.ess has been removed from my_list_name".
They all appear to have been sent simultaneously, and since I (the list
adminisistrator) haven't performed the unsubscribe request myself I
suspect either some sort of automated request by the Mailman software or
someone hacking into the system.
I've had this happen to me once before, several months ago.
The only thing I can think of apart from someone hacking into the
list-server is that Mailman automatically removes members who have
non-working addresses after a certain amount of list postings. Could
this be it, or am I right to be worried and should contact the server
owner to ask if an intrusion has shown up on the logs?
Logging into the Mailman admin page for my list tells me I'm using
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