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List:       postfix-users
Subject:    Re: Unknown Recipient Domain
From:       Wietse Venema <wietse () porcupine ! org>
Date:       2010-01-29 20:12:30
Message-ID: 20100129201230.DF8CD1F3EA2 () spike ! porcupine ! org
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Dan Lists:
> On Fri, Jan 29, 2010 at 1:17 PM, Wietse Venema <wietse@porcupine.org> wrote:
> > Dan Lists:
> >> > $ host monsant.com
> >> > Host monsant.com not found: 2(SERVFAIL)
> >> >
> >> > This is a temporary error. The name server for monsant.com could not be
> >> > contacted. ?You don't know if the domain exists or not. ?"whois" shows this
> >> > domain does exist, but the listed name servers return an error rather than
> >> > an authoritative NXDOMAIN.
> >>
> >> I am getting an NXDOMAIN:
> >>
> >> # host monsant.com
> >> Host monsant.com not found: 3(NXDOMAIN)
> >
> > For me, all three name servers for monsant.com fail to respond.
> > That's ns1.monsanto.com, ns3.monsanto.com, and ns4.monsanto.com.
> >
> > ? ? ? ?Wietse
> >
> 
> Is there a way to change how long postfix waits before the first
> warning email is sent back to the sender?

Postfix sends delayed mail warnings only if explicitly configured
with the delay_warning_time parameter.

	Wietse
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