Re: [exim] Exim not obeying "delay = " in acl_smtp_connect

On 27/12/17 16:13, Sebastian Arcus via Exim-users wrote:
> Ok - no sooner did I send my last email to the list, that a series of
> spurious connections attempts started on another email server I
> administer. I have below the log extract with exim -bd
> -d-all+resolver+dns+verify
>
> </snip>
> 18213 drop: condition test failed in ACL "acl_check_connect"
> 18213 processing "drop"
> 18213   message: Reverse DNS record incorrect or missing
> 18213 check !condition = ${if eq{$received_port}{587}}
> 18213                  =
> 18213 check !verify = reverse_host_lookup
> 18213 looking up host name to force name/address consistency check
> 18213 looking up host name for 182.48.94.184
> 18213 DNS lookup of 184.94.48.182.in-addr.arpa-PTR: using cached value
> DNS_AGAIN

Exim has cached a value from a previous lookup; which must have been in
this process or a parent of it. That lookup apparently got "DNS_AGAIN"
from the resolver, which is its version of "temporary error".

--
Cheers,
Jeremy