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 usually kicks in deferrals per-customer if you're sending large unexpected volume from an IP address. You'll only show up on the PDR IP tool if you're actually added to the list for blocking. - Mark Alley On Thu, Jul 4, 2024, 9:29 AM Patrick Landolt via mailop <mailop@mailop.org> 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 representative here that can contact me off list to > help solve the issue? > > Best regards, > Patrick > > -------------------------------------- > Patrick Landolt > Leiter Softwareentwicklung > Mitglied der Geschäftsleitung > > mailXpert GmbH > Schulstrasse 37 > 8050 Zürich > > Tel: +41 44 222 22 14 > Web: https://www.mailXpert.ch > -------------------------------------- > > www.mailXpert.ch > Professionelles E-Mail Marketing von ARTACK WebLab GmbH > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop >
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