On Thu, Jul 4, 2024 at 8:29 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? > > Hi, Replied off list to Patrick. As FYI, our IP reputation check page is (intentionally) only useful for scenarios where IPs are blocked, not deferred. We also have mechanisms in place to help prevent abuse of the tool, but can also make it slightly more complicated to get useful information / resolution. Thanks. --Jaren Angerbauer Proofpoint Postmaster
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