Re: Better to do 550 instead of 450 for these?

From: Roger B.A. Klorese (no email)
Date: Sun Jan 01 2006 - 14:10:30 EST

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Victor Duchovni wrote:
> Postfix never returns 5XX for temporary lookup problems, even when it
> returns 5XX for NXDOMAIN and other hard failures.

How is NXDOMAIN any more a "hard" failure? An authoritative server
could be temporarily misconfigured...

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