Turning off List Subscription?

Stephen John Smoogen smooge at gmail.com
Mon Mar 23 20:19:31 UTC 2015

On 23 March 2015 at 08:42, Joe Brockmeier <jzb at redhat.com> wrote:

> Hi all,
> For whatever reason, we're seeing a fair number of complaints that
> people are being spammed by subscription requests. It looks like there's
> some sort of script hitting a number of mailman installations and
> sending subscribe requests for a variety of email addresses.
> I have no idea what this accomplishes for the person(s) behind the
> bot(s) but it's annoying people and AFAIK we don't have a good way of
> blocking it.
> We could cut this off at the pass by turning off the ability to
> subscribe, but that means we'd have to process subscription requests
> manually and some folks might not subscribe if they have to jump through
> additional hoops. But I don't think the subscription rate is
> particularly high for this list - so that may be a minor issue.
> Thoughts? I hate to make things more complicated, but I also would like
> our list software not be abused.

So it looks like someone has decided to use a botnet to subscribe 4000+
addresses to marketing over and over again. The ips are all over the world
so it is not going to be easy to block so I am guessing it will be best to
turn off subscribe until we can find a better solution. This might be
multiple ones as someone seems to be doing every person in @qq.com and
another set is doing other email sites.

Stephen J Smoogen.
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