On Fri, Jan 29, 2010 at 1:17 PM, Wietse Venema <wie...@porcupine.org> wrote: > Dan Lists: > [ Charset ISO-8859-1 unsupported, converting... ] >> > $ 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?