On 9 June 2016 at 20:19, Andy Smith <[email protected]> wrote: > Hi, > > I'm running Exim 4.86.2 on FreeBSD 9.3 and I'm having an issue whereby > it is registered incoming mails as originating from hosts without an > rDNS record, but they do have an rDNS record. I've just enabled the > X-Host-Lookup-Failed ACL to add the extra header and it confirms what I > was seeing by enterpreting the "Recieved:" header. > > 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) > > and > > Received: from [93.191.32.251] (port=49828 helo=asigra2.ldex.co.uk) > > but nslookup from the mail server itself provides: > > nslookup 93.191.32.251 > Server: 8.8.8.8 > Address: 8.8.8.8#53 > > Non-authoritative answer: > 251.32.191.93.in-addr.arpa name = asigra2.ldex.co.uk. > > Any clues as to why Exim is failing when nslookup/dig from the same host > using the same DNS server work? > > thanks in advance, Andy. > >
Hey Andy, X-Host-Lookup-Failed is not a standard Exim configuration option, AFAICT. But hey, please run your own local DNS server for the lookups and see if that makes a difference. Install your own local caching DNS server. -- Best regards, Odhiambo WASHINGTON, Nairobi,KE +254 7 3200 0004/+254 7 2274 3223 "Oh, the cruft." -- ## 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/
