On Thu, 2004-10-28 at 20:09, Nifty Hat Mitch wrote: > On Thu, Oct 28, 2004 at 08:23:38AM +0100, Paul Howarth wrote: > > On Thu, 2004-10-28 at 00:02, Nifty Hat Mitch wrote: > > > Blacklisting for an ISP is not a good thing but it can also be used to > > > advantage. > .... > > If you follow this policy, the likely result is that all your nets would > > end up blacklisted anyway. Many of the blacklists would initially list > > only the "problem" net,... > > You are correct. However in this case the initial poster was at a > Public Utility (electricity, phone, and ISP). I suspect that his > service obligations as a utility might be different than many service > providers. > > Almost all dial-up nets are known and if not blacklisted they are on a > grey list. i.e. > RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address > > In almost all 'utility' situations there must be a well documented > process to turn off service. There may also be a public hearing of > changes to varius service agreements. My thought is that step one is > to identify and isolate the individuals in a way that quality spam > detectors will identify the message as possible spam. > > Of interest each day 5-10 fedora messages trigger incoming spam flags > in part because of the senders domain and IP addresses. > > In this case there is a real need to not trip on free speach rights. > As a utility the original poster may need to exercise more caution > (process) than a business oriented ISP. > > As I scanned the site, there was mostly dialup so a number of other > service (AOL, EarthLink... ) vendor options would be available. > > I would make sure that there is a rich help text that covers > dozens of mail readers and describes how to filter mail from > unwanted senders. Any complaint should include a pointer to > this type of help... > > > > -- > T o m M i t c h e l l > May your cup runneth over with goodness and mercy > and may your buffers never overflow. Tom, You have really hit the nail on the head. Being a public utility we are under different constraints than a normal ISP. This one reason why I did not post a response to many of the other replies to my initial letter. Most people do not understand that we cannot just "turn off" a customer like a regular ISP can. thanks, Doug
