> On May 21, 2022, at 10:34 AM, Fred Morris <m3...@m3047.net> wrote: > > On Sat, 21 May 2022, Viktor Dukhovni wrote: >> You don't have to accept such mail [...] >> >> Don't forward mail that for which the input MTA is expected to be the >> final destination. > > Maybe I'm misunderstanding, but my interpretation is that the question is > "why are you accepting that mail?" and saying "don't forward mail" is kind of > like "here is a footgun; don't pull the trigger". > > My understanding is that the mail which is looping was accepted for > forwarding although no recipient exists, hence it's the bounce which is > looping.
Yes, this is what’s happening but I think the rejected mail is just bouncing to itself. The MTAs know nothing about AWS, so it’s bouncing the mail, but the bounce is going to itself. > > HTH, apologies if I've got it wrong... > > -- > > Fred >
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