Alas, these RBLs are often hard-coded into firewalls. Non-sophisticated users just think they have a check box saying "block spam". Fixing those IS hard.
-mel > On Jan 4, 2018, at 4:45 PM, John Levine <jo...@iecc.com> wrote: > > In article > <can3um4xyf34vjn5ko40unaqqw+gh4hzlkwoz6o5dbtij-de...@mail.gmail.com> you > write: >> If you're going to run a DNSBL to advertise your mail software, >> perhaps do so in a way that doesn't flip the bird at everyone using it. > > On the other hand if you're going to use DNSBLs, you really should do > the tests in RFC 5782 every once in a while so you stop using BLs that > don't exist any more. It's not hard. > > R's, > John
