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How To (or How Not To) Operate a Blacklist

Today, Return Path posted a short but very helpful set of guidelines that one should keep in mind when operating a DNSBL anti-spam blacklist. It's a must read.


Comments policy: Al is always right. Kidding, mostly. Be polite, please and thank you.

  1. I'm glad you liked it. We've had DNS and BGP-based blacklists of IP addresses for thirteen years -- as you know better than anyone -- yet somehow, we never got around to writing this stuff down.

    I don't think this particular list is complete, but hopefully it'll be a good start point for the conversation.

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