On Tue, 01 Sep 2009 22:30:48 +0200 Benny Pedersen <m...@junc.org> wrote:
> On tir 01 sep 2009 02:20:26 CEST, LuKreme wrote > > On 31-Aug-2009, at 08:07, nunatarsuaq wrote: > >> Aug 30 11:46:28 ghost postfix/smtpd[26223]: connect from > >> ppp-124-122-30-5.revip2.asianet.co.th[124.122.30.5] > > WHy are you accepting mail from an obvious DHCP address? > > who says this ip is dynamic, just becurse the hostname look like it > is ? > > it would have being wonderfull if it was that easy I can tell from looking at it that it's not only a dynamic IP address, but that the hostname was originally configured for dialup, but that's not to say that I would want to try to maintain a regex filter. That's what PBL is for: http://www.spamhaus.org/pbl/index.lasso All that's being said here is to use the standard tools first. Breaking protocol isn't clever. We have enough annoyances as mail administrators with the large operations that knowingly do aggravating things without providing tech support for those who try to be clever without the payroll to handle the problems they cause themselves. Do you honestly think that you're the first one to think of this 'solution' to this class of spam? Chris
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