267870Re: reject unknown hosts
- Aug 1, 2010On Mon, Aug 2, 2010 at 9:45 AM, Edward avanti <edward.avanti@...> wrote:
In 4.x.x above me, the sender are known to us, his hostname presented exist, but no PTR RR (he is get fixed but take time), it is we prefer to 5xx, so he and others like him not wait 5 days to find mail never went, I was think unknown_client_reject_code = 550 would be this solve, but not? Anyway to have this so?
It appear from more investigation this cause is SERVFAIL always send 4xx, can postifx override to 5xx with setting for SERVFAIL ?
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