I’m actively seeing similar nondescript "Message delivery failed" asynchronous
bounces from iCloud. My ticket with the iCloud postmaster (Case-ID: 7760419)
didn’t really go anywhere useful, but I’ll reopen it in hopes of getting the
issue some traction. FWIW I don’t think it’s reputation related
Hi Mark,
Not sure if it is related but I’ve seen a bunch of spam and phish SPF
authenticated as wisconsin.bbb.org at a personal Gmail account. That particular
subdomain has an SPF include for a domain which looks to be controlled by a
spam group - vocus-bounce[.]com. Maybe reputation is bleedin
