If these are linodes I would contact linode directly for them to see if the
IP is actually black listed, they are the only ones that can request it
being removed from the DNSBL.
I use http://mxtoolbox.com/blacklists.aspx
and that shows its not black
listed. Do you have DKIM or SPF setup for the domain?
On Sat, Apr 2, 2016 at 3:07 PM, David Gerard <dgerard(a)gmail.com> wrote:
GMail is being flaky as hell about accepting or not
from the RW server, 220.127.116.11 - sometimes works, sometimes hits
spam, sometimes gets 550 refused (with no particular reason given).
Google doesn't do customer service, of course.
We don't *seem* to be in the email blackhole lists (I see our IP
18.104.22.168 gets 6 DNSBL hits in
but I go to the sites in
question and they say it's not listed); so the only other hypothesis
that springs to mind is that they don't like email coming from J.
Random Linode VM (and at least one DNSBL does consider that a reason).
Has SPF/DMARC helped anyone with this sort of thing?
What does one do in this case? Is there e.g. a commercial third-party
email relay service that, say, GMail users will get mail from?
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