On Mon, 2022-12-19 at 12:38 +0100, Benny Pedersen wrote: > Carlos Mogas da Silva skrev den 2022-12-19 11:57: > > Hi list. > > > > My incoming messages are getting R_SPF_DNSFAIL and an error on the > > Authentication-Results header: > > > > spf=temperror > > (mail01.r3pek.org: error in processing during lookup of > > no-re...@cttexpresso.pt: DNS error) > > for cttexpresso.pt netblocks are authorized 492,110 individual IPv4 > addresses so many ips why not just +all in there spf ? >
That was just an example of a failing request. They all fail. > for r3pek.org change spf to "v=spf1 ip4:195.201.255.103 > ip6:2a01:4f8:c2c:4d63::3 -all" this will disable needs for dns resolve > of ips, it might help while keeping it valid spf That's doable, but I don't think the problem is really *my* spf record. > > I see the DNS request on my DNS server and a "working" reply going > > out. What can cause this error > > and/or how can I debug it? > > try avoid to many dns querys Even on a caching dns server? Any ideas on why it is failing?
