>>You should not use public dns servers to query dnsbls as they are likely >>blocked due to excessive query volume at the dnsbl. Install and use >>a local >>resolver like unbound, knot, bind and use nameserver 127.0.0.1 in >>/etc/resolv.conf
root@nmail:/etc/postfix# cat /etc/resolv.conf nameserver 127.0.0.1 nameserver 8.8.8.8 Please I can ping everything ...... root@nmail:/etc/postfix# ping 42.89.92.40 PING 42.89.92.40 (42.89.92.40) 56(84) bytes of data. 16 packets transmitted, 0 received, 100% packet loss, time 354ms root@nmail:/etc/postfix# ping 109.75.92.40 PING 109.75.92.40 (109.75.92.40) 56(84) bytes of data. 3 packets transmitted, 0 received, 100% packet loss, time 27ms Thanks Mauri -----Ursprüngliche Nachricht----- Von: owner-postfix-us...@postfix.org <owner-postfix-us...@postfix.org> Im Auftrag von Christian Kivalo Gesendet: Donnerstag, 8. April 2021 09:02 An: postfix-users@postfix.org Betreff: Re: warning: dnsblog_query lookup error On April 8, 2021 8:29:09 AM GMT+02:00, Maurizio Caloro <mauri...@caloro.ch> wrote: >Hello > >I have the issue with mail from Outlook, or Hotmail this Warning appair >and the mail don't deliver to me. >cat /etc > > >Apr 8 08:04:24 ail postfix/dnsblog[7379]: warning: dnsblog_query: >lookup >error for DNS query 109.75.92.40.list.dnswl.org: Host or domain name >not found. Name service error for name=109.75.92.40.list.dnswl.org >type=A: >Host >not found, try again > > > >Apr 8 08:23:10 ail postfix/dnsblog[7943]: warning: dnsblog_query: >lookup >error for DNS query 42.89.92.40.list.dnswl.org: Host or domain name not >found. Name service error for name=42.89.92.40.list.dnswl.org type=A: >Host >not > >found, try again > > > >postscreen_dnsbl_sites = zen.spamhaus.org*3 > > b.barracudacentral.org*2 > > bl.spameatingmonkey.net*2 > > bl.spamcop.net > > dnsbl.sorbs.net > > psbl.surriel.com > > bl.mailspike.net > > list.dnswl.org=127.0.[0..255].0*-2 > > list.dnswl.org=127.0.[0..255].1*-3 > > list.dnswl.org=127.0.[0..255].[2..3]*-4 > > > >root@nmail:/etc/postfix# ping 42.89.92.40 > >PING 42.89.92.40 (42.89.92.40) 56(84) bytes of data. > >181 packets transmitted, 0 received, 100% packet loss, time 482ms > > > >root@nmail:/etc/postfix# cat /etc/resolv.conf > >nameserver 8.8.8.8 > >nameserver 46.38.225.230 You should not use public dns servers to query dnsbls as they are likely blocked due to excessive query volume at the dnsbl. Install and use a local resolver like unbound, knot, bind and use nameserver 127.0.0.1 in /etc/resolv.conf > > >regards > >Mauri > > > > -- Christian Kivalo