Jools, as David Burgin pointed out, your SPF record in DNS is (still)
broken (as well as your DMARC record) and this may well be the cause
of your problems.
v=spf1 mx a:81.145.130.2 -all
should be (because the 'a:...' syntax is wrong and superfluous):
v=spf1 mx -all
- I missed this on my original
Dominic Raferd:
> Are you able to fix the DMARC entry in your DNS? It has spurious escaped
> quotes.
The SPF record is invalid, too, ‘a:81.145.130.2’ is not valid syntax.
Perhaps these add to some negative score for your messages.
Interesting. Your off-list reply to mine was bounced by Google (when
our server relayed it). You wrote:
> The from header is:
> edulinkbordengrammar.kent.sch.uk
> however they've set a non-existent account as the reply to...
Those look fine to me.
But why was your message to me bounced by Google
Hi All,
I have a problem that's sprung to light after we bought in a 3rd party
cloud provider. I have postfix 2.10 running on Centos 7 (main.cf below)
and our 3rd party provider is relaying mail out via our server, using
authentication on a legit account. However, the recipient ISPs reject
