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
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
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
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
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
>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
>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
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