Thanks for letting us know what the issue was. :) Cheers, Al Iverson
On Wed, Nov 13, 2024 at 8:26 AM Adriano Barbosa via mailop <mailop@mailop.org> wrote: > > > > On 13 Nov 2024, at 09:51, Viktor Dukhovni via mailop <mailop@mailop.org> > > wrote: > > > > On Wed, Nov 13, 2024 at 09:28:39AM -0400, Adriano Barbosa via mailop wrote: > > > >> Anyone having issues in receiving (yes, receiving, not sending to) > >> emails from Gmail today? I can receive from other domains and from other > >> big ones like Microsoft and Apple, but only not from Gmail. > >> I tested sending to two domains I use, and none of them received messages. > > > > The first thing to check is your DNS. Sometimes Google's DNS servers > > are unable to resolve various domains, often because the domain's > > server's inadvertently block or rate limit DNS queries from Google. > > > > The issue could also be localised to particular data-centres, where > > the outgoing mail is queued, and which end up using a particular set of > > regional resolvers that happen to be blocked, or suffering some sort of > > BGP issue preventing DNS resolution. > > > > Test resolving your MX RRset and MX host A/AAAA records from multiple > > locations querying 8.8.8.8. > > > > -- > > Viktor. > > _______________________________________________ > > mailop mailing list > > mailop@mailop.org > > https://list.mailop.org/listinfo/mailop > > Thank you all for the answers. > The issue was my last try to block some bad AIctors from reaching my servers, > and I set my firewall too restrictively. > Sorry for the noise. > > — > Adriano > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop -- Al Iverson // 312-725-0130 // Chicago http://www.spamresource.com // Deliverability http://www.aliverson.com // All about me https://xnnd.com/calendar // Book my calendar _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
