[Mailman-Users] Automated Subscription Bots Inundating List Owners With Subscription Requests

[Stephen J. Turnbull]

Kalbfleisch, Gary writes:

 > Note that for the majority of what I  have seen in this attack it
 > is the return email messages that the exploiters desire.

Yes, this is the most important point for Mailman developers, in
fact.  Thank you for reiterating it.

 > I have seen some evidence that these accounts may have been used in
 > an attempt to harvest email address.

Yeah, but I don't know what you can do about that in an open
subscription list unless you anonymize (which I'm not willing to do
because private replies are often desirable on my lists, YMMV).