Re: address_verify_*_*_time

2021-08-22 Thread Viktor Dukhovni
On Sun, Aug 22, 2021 at 02:51:02PM -0400, post...@ptld.com wrote: > So another way to look at it... > > address_verify_positive_refresh_time > Is when the cached data becomes stale and any mail event after > this time would cause another address query to refresh the cached >

Re: address_verify_*_*_time

2021-08-22 Thread postfix
On 08-22-2021 1:49 pm, Viktor Dukhovni wrote: Cached data is used until it *expires*. When a cache hit is *found* it is immediately used to determine the address status. If however, the refresh timer has expired, a new probe is sent to try to bring the cache up to date. The key difference from

Re: address_verify_*_*_time

2021-08-22 Thread Viktor Dukhovni
On Sun, Aug 22, 2021 at 12:42:26PM -0400, post...@ptld.com wrote: > With address_verify_*_*_time im not understanding the difference in > behavior between refresh and expire. The manual says: Cached data is used until it *expires*. When a cache hit is *found* it is immediately used to

Re: address_verify_*_*_time

2021-08-22 Thread Wietse Venema
post...@ptld.com: > With address_verify_*_*_time im not understanding the difference in > behavior between refresh and expire. The manual says: > > "parameters that control how long address verification results are > cached before they need to be refreshed, and how long results can remain >

address_verify_*_*_time

2021-08-22 Thread postfix
With address_verify_*_*_time im not understanding the difference in behavior between refresh and expire. The manual says: "parameters that control how long address verification results are cached before they need to be refreshed, and how long results can remain unrefreshed before they expire"

Re: Hostname DNS error

2021-08-22 Thread Gerald Galster
> Could it be a transient DNS/network problem? If it only You can check which nameservers are responsible: 1) with dns (/etc/resolv.conf) [user@server ~]$ dig +short radio-z.net ns robotns3.second-ns.com. ns1.first-ns.de. robotns2.second-ns.de. 2) with dns (tracing from dns root, asking every