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294847Re: greylisting generates error email?

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  • Erwan David
    Aug 20, 2013
      On Tue, Aug 20, 2013 at 05:58:44AM CEST, LuKreme <kremels@...> said:
      > <http://www.spamhaus.org/zen/>
      > zen blocks these categories:
      > SBL Direct UBE sources, spam operations & spam services
      > CSS Direct snowshoe spam sources detected via automation
      > CBL (3rd party exploits such as proxies, trojans, etc.)
      > PBL End-user Non-MTA IP addresses set by ISP outbound mail policy
      > SBL and CSS are confirmed spammers. CBL are confirmed exploited machines. PBL are IPs that the IP owner has classified as not allowed to send mail directly.
      > Blocking all of those is perfectly safe.

      Perfectly safe is the categorizing process is itself perfect.
      ANd since nothing is perfect, you'll always have false positive.
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