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Re: "reject_unknown_reverse_client_hostname" bouncing mail when name server is down
From: Jordan Russell (jr-list-2006
quo.to)
Date: Thu Aug 24 2006 - 11:21:46 CDT
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Wietse Venema wrote:
> That would be a bug in the library. The solution is to send a bug
> report and request that it be fixed.
Supposing I did that, and both the Linux and BSD folks agreed that it
actually was a bug, I'd also have to convince the OS vendors to backport
the fix and put out updated libc packages for their existing releases.
That I don't really see happening.
If you don't believe that this should be addressed at the Postfix level
-- even if only as a temporary workaround until the OS vendors get their
act together -- then perhaps it would be wise to remove the claim in the
reject_unknown_reverse_client_hostname docs that 450 is "always"
returned for temporary problems, since what happens in the real world on
all existing releases of Linux and BSD is just the opposite.
In any event, I will run this by the glibc maintainers and see what they
have to say.
--
Jordan Russell
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