On Fri, Jun 10, 2016 at 08:56:07AM +0100, [email protected] wrote: > For example when sending from 93.191.32.251 I see: > X-Host-Lookup-Failed: Reverse DNS lookup failed for 93.191.32.251 (failed)
There are three different DNS rcodes that may be referenced as "failure", they correspond to different situations. > Any clues as to why Exim is failing when nslookup/dig from the same > host using the same DNS server work? Due to resolver timeout (packet loss in network) or "ServFail" DNS rcode, which is a temporary error (client should wait and retry later). -- Eugene Berdnikov -- ## List details at https://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
