Hello all, I'd be grateful if someone from the iCloud mail team could take another look at a ticket of ours.
I run RSL Educational, a UK education company whose domain, rsleducational.co.uk, has sent to iCloud users for years and is still accepted normally. I am also setting up a separate new service, which has its own domains. Since mid-September, mail from that new service's domains has been refused with "554 5.7.1 [HM08] Message rejected due to local policy". The messages pass SPF, DKIM and DMARC, and go out from the same IP addresses, sometimes in the same minute, as RSL mail that is accepted. The domains were typically accepted into Junk for a day or two and then refused from then on, and none has recovered. I first wrote to [email protected] on 21 September (ticket 22372962) and have followed up with timestamped examples. The replies say that no blocks are in place and suggest resending, but the refusals continue. We are not asking for an allowlist. If something in how we have sent is causing this, we would like to know so that we can put it right. Could someone from the iCloud postmaster team contact me off-list? The domains, IP addresses and examples are all in the ticket. Many thanks, Robert Lomax RSL Educational
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