Re: what is triggering NO_DNS_FOR_FROM

2017-03-16 Thread Andy Smith
Thanks all who replied to my question, sorry for the late reply. It seems this was a temporary error on the senders DNS servers (I assume as I've only seen this issue on their email). Rerunning spamassassin on the same message now doesn't trigger NO_DNS_FOR_FROM. Thanks Matus, yes I know the MX

Re: what is triggering NO_DNS_FOR_FROM

2017-03-13 Thread Matus UHLAR - fantomas
On Mon, 2017-03-13 at 17:49 +0100, Andy Smith wrote: I can see that the domain in question does have A and MX records, possibly issues are that the A record doesn't match the PTR for the IP returned by the A record and that one of the MX records doesn't have a PTR. I'd be keen to know if one or b

Re: what is triggering NO_DNS_FOR_FROM

2017-03-13 Thread Matus UHLAR - fantomas
On 13.03.17 17:49, Andy Smith wrote: I can see that the domain in question does have A and MX records, possibly issues are that the A record doesn't match the PTR for the IP returned by the A record and that one of the MX records doesn't have a PTR. I'd be keen to know if one or both of these are

Re: what is triggering NO_DNS_FOR_FROM

2017-03-13 Thread RW
On Mon, 13 Mar 2017 17:49:47 +0100 Andy Smith wrote: > Hi all, > > I have a some genuine emails getting marked with NO_DNS_FOR_FROM > from one particular domain and I'd like to know exactly why. I've had > a dig in the Spamassasin Dns.pm but I can't work out exactly what > process_dnsbl_result

Re: what is triggering NO_DNS_FOR_FROM

2017-03-13 Thread Martin Gregorie
On Mon, 2017-03-13 at 17:49 +0100, Andy Smith wrote: > I can see that the domain in question does have A and MX records, > possibly issues are that the A record doesn't match the PTR for the > IP returned by the A record and that one of the MX records doesn't > have a PTR. I'd be keen to know if on

Re: what is triggering NO_DNS_FOR_FROM

2017-03-13 Thread David Jones
>From: Reindl Harald >Sent: Monday, March 13, 2017 12:11 PM >To: Andy Smith; users@spamassassin.apache.org; David Jones >Subject: Re: what is triggering NO_DNS_FOR_FROM   >it's also about the FROM-HEADER and not about envelopes alone and hence >i doubt "because I

Re: what is triggering NO_DNS_FOR_FROM

2017-03-13 Thread David Jones
>From: Andy Smith >Sent: Monday, March 13, 2017 11:49 AM >To: users@spamassassin.apache.org >Subject: what is triggering NO_DNS_FOR_FROM >Hi all, >  I have a some genuine emails getting marked with NO_DNS_FOR_FROM from one >particular domain and I'd like to know exac

what is triggering NO_DNS_FOR_FROM

2017-03-13 Thread Andy Smith
Hi all, I have a some genuine emails getting marked with NO_DNS_FOR_FROM from one particular domain and I'd like to know exactly why. I've had a dig in the Spamassasin Dns.pm but I can't work out exactly what process_dnsbl_result is doing. What exactly does it check WRT MX and A records? I ca