> On Nov 6, 2016, at 4:54 PM, Marc Stürmer <m...@marc-stuermer.de> wrote: > > Am 04.11.2016 um 12:23 schrieb Holger Schramm: > >> If you don't like them, don't use their services. It is really that easy. > > That's the one part, the other part is what Dianne wrote about. If this > happens to you better be sure to have a 2nd MX ready with a totally different > IP address. > >> Every mail server administrator that uses a blacklist has to keep in >> mind that he gives the decision about good or bad ips/mails/whatever to >> a third, mostly unknown, person. >> >> I trust _none_ of them. Do you know the people of any other blacklist? >> Who assures you that there is not a crazy monkey in the background doing >> some strange stuff with the listings? Nobody. > > The thing is: RBLs are cheap on CPU usage and one of the first things to be > checked to discard SPAM. They are not error free, but very convenient to use. > > And yes, some lists have been doing quite funny things in the past, including > Spamhaus. > > If you don't trust them, well, you can always use them to build a score like > SA does and then build your trust upon that score.
And there’s always postscreen if you don’t want to burden SA with all those lookups: http://rob0.nodns4.us/postscreen.html
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