Re: dnswl.org lookup error

Matus UHLAR - fantomas wrote in : |>Byung-Hee HWANG wrote in |> <87ee13qxa1.fsf@penguin>: |> ... |>|> First install a true local resolver such as bind9 or unbound and then |>|> switch your system to use it instead of systemd-resolved. To switch to |>|> bind9 you could try my |>|> https://ww

Re: dnswl.org lookup error

Byung-Hee HWANG wrote in <87ee13qxa1.fsf@penguin>: ... |> First install a true local resolver such as bind9 or unbound and then |> switch your system to use it instead of systemd-resolved. To switch to |> bind9 you could try my |> https://www.timedicer.co.uk/programs/help/bind9-resolved-switch.sh.

Re: dnswl.org lookup error

Byung-Hee HWANG wrote in <87ee13qxa1.fsf@penguin>: ... |> First install a true local resolver such as bind9 or unbound and then |> switch your system to use it instead of systemd-resolved. To switch to |> bind9 you could try my |> https://www.timedicer.co.uk/programs/help/bind9-resolved-swit

Solved (Was: Re: dnswl.org lookup error)

Byung-Hee HWANG writes: > Hellow! > > I am running postfix server under Ubuntu 18.04 LTS at Google Compute > Engine. The hostname is <>, open port is 25 only. > > The server conf are bellow: > > > So now question. After i added

Re: dnswl.org lookup error

Dear Dominic, Dominic Raferd writes: > On 08/05/2022 11:59, Byung-Hee HWANG wrote: >> Dear Bastian, >> >> Bastian Blank writes: >> >>> Hi >>> >>> On Sun, May 08, 2022 at 07:42:00PM +0900, Byung-Hee HWANG wrote: May 8 10:24:25 bionic190316003 postfix/smtpd[10918]: warning: 17.188.51.20

Re: dnswl.org lookup error

Dear Bjoern, Bjoern Franke writes: > Hi, > >> I think your system is using systemd-resolved for DNS lookups; this >> hands off the real work of resolving to public resolvers, so RBLs will >> block your lookups. This is a normal setup for a systemd-based distro >> but is not appropriate for a mai

Re: dnswl.org lookup error

Hi, I think your system is using systemd-resolved for DNS lookups; this hands off the real work of resolving to public resolvers, so RBLs will block your lookups. This is a normal setup for a systemd-based distro but is not appropriate for a mail server. We don't know if systemd-resolved uses

Re: dnswl.org lookup error

On 08/05/2022 11:59, Byung-Hee HWANG wrote: Dear Bastian, Bastian Blank writes: Hi On Sun, May 08, 2022 at 07:42:00PM +0900, Byung-Hee HWANG wrote: May 8 10:24:25 bionic190316003 postfix/smtpd[10918]: warning: 17.188.51.209.list.dnswl.org: RBL lookup error: Host or domain name not found. Na

Re: dnswl.org lookup error

Dear Bastian, Bastian Blank writes: > Hi > > On Sun, May 08, 2022 at 07:42:00PM +0900, Byung-Hee HWANG wrote: >> May 8 10:24:25 bionic190316003 postfix/smtpd[10918]: warning: >> 17.188.51.209.list.dnswl.org: RBL lookup error: Host or domain name >> not found. Name service error for name=17.188.5

Re: dnswl.org lookup error

Hi On Sun, May 08, 2022 at 07:42:00PM +0900, Byung-Hee HWANG wrote: > May 8 10:24:25 bionic190316003 postfix/smtpd[10918]: warning: > 17.188.51.209.list.dnswl.org: RBL lookup error: Host or domain name not > found. Name service error for name=17.188.51.209.list.dnswl.org type=A: Host > not fou

dnswl.org lookup error

Hellow! I am running postfix server under Ubuntu 18.04 LTS at Google Compute Engine. The hostname is <>, open port is 25 only. The server conf are bellow: So now question. After i added 'permit_dnswl_client list.dnswl.org', ve