[SAC] Mailman Postfix tuning - Urgent!!

[Markus Neteler]

On Sun, Apr 20, 2014 at 8:34 PM, Alex Mandel <tech_dev at wildintellect.com> wrote:
> So Apache on Mail is still off. I tested a couple of times for a few
> minutes, and the second I turn it on we get hammered by bing/google and
> someone using wp.pl and hotmail addresses to mass subscribe attempt to
> all our lists. This drives the load to 20+ instantly and keeps it there.
> For those wondering, this is the smoking gun performance killer that
> causes trouble for all the other VMs on osgeo4 (not that some other
> things don't contribute a little).


For the record: I have implemented a fail2ban regex to turn down these
subscription attempts.
Apache is running again, to be seen if it performs ok now...

Markus