On Thu, Jul 4, 2024 at 8:29 AM Patrick Landolt via mailop
wrote:
> Hi
>
> We see a surge of deferred mails because of a proofpoint check resulting
> in mta responses like:
> Deferred - see https://ipcheck.proofpoint.com/?ip=[…]
>
> The actual ipcheck on the mentioned domain does - on multiple tes
PPE uses PDR, but we use it to reject the connection with a
"550 5.7.1 Service unavailable"
We don't defer - so you shouldn't be seeing PPE causing deferrals
due to PDR.
For PPE at least, this stage is IP reputation only... domain reputation
checks happen later in the engine after mail handoff (so
Sorry - to clarify - Each customer configuration (and dispositions/spam
thresholds/policies/DNSBLs used, etc) for POD customers are entirely
separate from one another, but PDR info is shared across customers to my
knowledge (specific to blocks). I'm not 1000% sure if it applies entirely
the same ac
Hi Mark
Thanks for the insight.
Most deferred mails go to remote mx that do use PP internally and have an mx
that is branded with their domain.
But there are also a good bunch of recievers that have a *.pphosted.com mx.
Thos mails to *pphosted.com are now delivered.
There were less mails to *.
PP customer here - Do you know what the receiver hostnames are that are
deferring you? And is it all mail to any Proofpoint customer, or to just a
few hosts?
If the MX hostnames end in .ppe-hosted.com, that's Proofpoint essentials,
if it's .pphosted.com, that's an enterprise POD customer.
PDR usu
In my experience, deferrals don't show up in the tool, only outright
blocks. Not sure if bug or by default. But yes, Proofpoint peeps roam
this list, so one should be reaching out shortly.
Also, in the future, showing us the IP can also help.
On 7/4/24 4:17 PM, Patrick Landolt via mailop wrote
Hi
We see a surge of deferred mails because of a proofpoint check resulting in mta
responses like:
Deferred - see https://ipcheck.proofpoint.com/?ip=[…]
The actual ipcheck on the mentioned domain does - on multiple tested ips -
return that nothing is blocked.
Is there a proofpoint representati
