On Tue, Feb 27, 2018 at 1:43 AM, Philip Paeps <phi...@trouble.is> wrote:
> Of course relays do get compromised from time to time, so peeking at the > first hop is not a completely crazy thing for GSuites to do. But silently > dropping the email after accepting feels a little disproportionate. Perhaps > a 451 would be more appropriate? > > > A while back Brandon helped me figure out that this was caused by having set one machine as a known relay in the G Suite configuration. This caused it to always check the prior hop's IP reputation and more or less ignore that it came from the relay machine.
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