On 10/4/11 1:46 PM, Dave Cridland wrote: > On Tue Oct 4 17:26:33 2011, Peter Saint-Andre wrote: >> The list admins disable the senders when we see such messages. I don't >> know of an automated way to prevent them. > > Nor me, I was hoping to shame the senders into turning the damn things > off. :-) That usually works. :)