On Wed, Feb 7, 2024 at 12:53 AM Mark Milhollan <lists-mai...@milhollan.com> wrote:
> On Tue, 6 Feb 2024, Odhiambo Washington wrote: > > >Today morning I woke up to all emails being rejected as I was using > >zen.spamhaus.org in my dnslists. > >Almost all incoming emails - even from gmail.com - were being rejected. > >Did I maybe miss something? > > Are you using your own resolver (like BIND, Knot Resolver, or Unbound) > rather than a public resolver (like Cloudflare, Google, or Quad9)? You > must else Spamhaus will return 127.255.255.254. If your software > blindly treats an A/TXT result as indicating the host is listed then the > policy refusal result, 127.255.255.254/"Error: open resolver; ...", will > make it seem like the host is listed. > I have my local instance of unbound resolver. -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 In an Internet failure case, the #1 suspect is a constant: DNS. "Oh, the cruft.", egrep -v '^$|^.*#' ¯\_(ツ)_/¯ :-) [How to ask smart questions: http://www.catb.org/~esr/faqs/smart-questions.html]
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