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 found, try again
> As shown above log, the line 'RBL lookup error' is normal? Can i ignore that?
No, this line is not normal. It means you have an error in the DNS
resolution. Maybe you are using a public resolver.
Bastian
--
Prepare for tomorrow -- get ready.
-- Edith Keeler, "The City On the Edge of Forever",
stardate unknown
