SORBS closing has been announced
I’ve heard rumors for a few days that Proofpoint was closing the SORBS (Spam and Open Relay Blocking System) DNSBL. Still, I had not seen any real confirmation until last night, when the list maintainer sent an email to the Mailop mailing list. So, I now feel comfortable posting that SORBS is closing over the
Back to Basics: Where does Spamhaus get off…
One of the more popular questions that come up deals with ISPs1 using DNSBLs2, especially Spamhaus lists. The question usually goes something like this: Who are the operators of that list and what gives them the right to regulate commerce? Are they run by a government or something? A Brief History of DNSBLs The year is
I Can’t Give You What You Want
Yesterday, I was talking with a potential client about engaging my services. The prospect asked for a guarantee of results with regard to a smallish blocking list, and left the telephone call unhappy because I would not do that. The reason that I, and indeed ANY email delivery consultant, cannot guarantee results seems obvious to