On Mon, 11 Apr 2011 17:39:43 -0400 Jerry <postfix-u...@seibercom.net> wrote:
> On Mon, 11 Apr 2011 15:43:09 -0500 > Stan Hoeppner <s...@hardwarefreak.com> articulated: > > > pf at alt-ctrl-del.org put forth on 4/10/2011 10:33 PM: > > > > > My thought on auto combating this is to use a CIDR list to kick > > > these networks (and only these networks) over to a greylist policy > > > that delays these emails for 4+ hours. By then, most of the bad IPs > > > would be listed in one or more RBL and be blocked. > > > > > > So, has anyone else already done something like this? > > > > Why bother with this complex greylisting setup? Simply hammer the big > > blocks with a CIDR entry and whitelist individual IPs in the range > > from which you need legit mail. If such IPs are used to send both > > snowshoe spam and ham, that's a human shield tactic, and deserves > > permanent blocking, FOREVER. If anyone complains, lay the full > > skinny on them as to why. I.e. lay the blame at the proper feet, and > > direct complaints at the guilty. > > > > Life is too short to waste _your_ valuable time playing whack-a-mole > > with spammers, isn't it? We don't live in a totally "collateral > > damage free" world. People must get used to this. > > Unless of course you get hit with a law suit. My server, my rules. >
