Re: verify recipient - temp error instead of perm error

Am 12.08.25 um 17:57 schrieb Slavko via Exim-users:
> Dňa 12. augusta 2025 14:31:48 UTC používateľ Frank Richter via Exim-users <[email protected]> napísal:
>
>> Or better mx_fail_domains in dnslookup route? No, this doesn’t.
> I am surprised, as by docs, it has do exactly that, how did
> you set it?
checkonly:
     driver = dnslookup
     domains = !+local_domains
     mx_fail_domains = *
     verify_only = true

$ exim -d+all -v -bv [email protected]
…
08:51:29 2696420 local_part=test domain=gmial.com
08:51:29 2696420 checking domains
08:51:29 2696420 cached no match for +local_domains
08:51:29 2696420 cached lookup data = NULL
08:51:29 2696420 gmial.com in "!+local_domains "? yes (end of list)
08:51:29 2696420 calling checkonly router
08:51:29 2696420 checkonly router called for [email protected]
08:51:29 2696420   domain = gmial.com
08:51:29 2696420 gmial.com in "*"? yes (matched "*")
08:51:30 2696420 DNS lookup of gmial.com (MX) gave TRY_AGAIN
08:51:30 2696420 gmial.com in dns_again_means_nonexist? no (option unset)
08:51:30 2696420 returning DNS_AGAIN
08:51:30 2696420  writing neg-cache entry for gmial.com-MX-8000c3, ttl -1
08:51:30 2696420 gmial.com in "*"? yes (matched "*")
08:51:30 2696420 DNS_AGAIN treated as DNS_NODATA (domain in mx_fail_domains)
08:51:30 2696420 DNS lookup of gmial.com (AAAA) gave TRY_AGAIN
08:51:30 2696420 gmial.com in dns_again_means_nonexist? no (option unset)
08:51:30 2696420 returning DNS_AGAIN
08:51:30 2696420  writing neg-cache entry for gmial.com-AAAA-8000c3, ttl -1
08:51:30 2696420 DNS lookup of gmial.com (A) gave TRY_AGAIN
08:51:30 2696420 gmial.com in dns_again_means_nonexist? no (option unset)
08:51:30 2696420 returning DNS_AGAIN
08:51:30 2696420  writing neg-cache entry for gmial.com-A-8000c3, ttl -1
08:51:30 2696420 checkonly router: defer for [email protected]
08:51:30 2696420   message: host lookup did not complete
[email protected] cannot be resolved at this time: host lookup did not complete

Lookups for A and AAAA return also SERVFAIL.

Frank

-- 
Frank Richter, Chemnitz University of Technology, Germany


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