Friday, January 12, 2024, 11:26:33 AM, Wietse Venema via Postfix-users wrote:
> Phil Biggs via Postfix-users: >> >> Back in June of 2023 I added list.dnswl.org to postscreen. >> >> Over time I've noticed that I get the occasional lookup error like this: >> >> postfix/dnsblog 17448 - - warning: dnsblog_query: lookup error for DNS query >> 137.52.152.104.list.dnswl.org: Host or domain name not found. Name service >> error for name=137.52.152.104.list.dnswl.org type=A: Host not found, try >> again >> >> As later lookups returned valid results, I had just put that down to some >> glitch with dnswl's servers. > I suspect packet loss somewhere on the path between your system and > list.dnswl.org. I had a few of the above type of error in my maillog > files in the months from June to December 2022, for list.dnswl.org > and zen.spamhaus.org, and some for both. > Wietse > _______________________________________________ > Postfix-users mailing list -- postfix-users@postfix.org > To unsubscribe send an email to postfix-users-le...@postfix.org Thanks, Wietse. It just seemed strange to me that zen disappeared completely from these logs right after I added dnswl. -- Cheers, Phil _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org
