[ngw] Groupwise GWIA error 451 4.1.8

ndrew Juergens mr_puniverse00 at yahoo.com
Sat Dec 1 16:08:14 UTC 2001


I tried that, I got the IP address of the name server,
and put that into the route.cfg file.  When I tried to
send mail to that domain, I got an error in gwia that
said: Command: [Ip address here
      Response: 450 Host down

What does that mean?
--- Bob Fiero <bfiero at cl-law.com> wrote:
> We've had numerous instances where users on our
> network can not send mail to anyone in a domain due
> to MX lookup failures. In each case, standard DNS
> testing shows it is a result of improperly
> configured domains on the remote end. I usually try
> to contact the admin of the affected domain, but in
> about 1 out of 4 cases I get responses filled with
> attitude and "My DNS servers are fine!" (When they
> are far from it)
> 
> Fortunately, Novell has a workaround for GWIA to
> deal with those "1 in 4" that refuse to fix DNS.
> First you need to do a bit of digging around with
> whois and nslookup to find at least one DNS server
> for this domain that is working properly. Query it
> for the primary MX record and note the IP number. In
> your \domain\wpgate\gwia directory, create a text
> file called route.cfg. Enter one domain on each
> line, such as this example...
> 
> bestweb.net [209.94.100.171]
> 
> The brackets are required. Restart GWIA for any
> changes in this file to take effect. What this does
> is instruct GWIA to bypass DNS lookups for this
> domain, and instead send mail directly to this IP
> address. The downside is, if this domain changes the
> MX server address and updates DNS, you'll have
> undeliverable mail for this domain again.
> 
> >>> mr_puniverse00 at yahoo.com 11/28/01 07:05PM >>>
> I am getting an error when I try to send e-mail to
> certain domains.  The error says:
> 
> Domain of sender address <e-mail address of sender>
> does not resolve
> 
> I can not find anything on this at the novell web
> site.  If anyone can please help me.
> 
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> Visit http://www.concentrico.net for GroupWise, NDS,
> or DirXML development needs and product information.
> 
> 
> 
> Web Site: http://www.cl-law.com
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