Back to Basics: Where does Spamhaus get off…
11 January 2017
One of the more popular questions that come up deals with the use of DNSBLs[acp footnote]DNS-based Blocking Lists[/acp], especially Spamhaus’ lists, by ISPs[acp footnote]Internet Service Providers[/acp]. 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…

Who Drives DMARC?
23 June 2016
Every time that someone comes up with a new way to talking about mail back channels it gets just a little more complex. First, we had SPF. That was a relatively easy thing. Add a text record to DNS that says where your mail is coming from and you’re set. You even had options to…