Thanks Rich,
I'll take a look at our files. If I have any further problem I'll go 
offline.

On 8 Feb 2002 at 11:24, Rich Payne wrote:

> 
> Your DNS server should have 2 files, one that does ip->name and one that 
> does name->ip. For exmaple I take care of monadlug.org and I have 
> db.monadlug that contains any/all hosts in that domain. Then I have a 
> db.43.22.207 file that includes reverse mappings, with records like this:
> 
> 150   IN      PTR     talisman.monadlug.org.
> 
> In my case I serve several domains from one machine and I only have 1 
> reverse lookup file.
> 
> Hope that helps a little,
> --rdp
> 
> 
> 
> On Fri, 8 Feb 2002, Jerry Feldman wrote:
> 
> > We have the same problem with the BLU.ORG server. We have our own DNS 
> > server with the secondaries being provided by USDatacenters.com. We are 
> > using a recent version of bind. Can you elaborate more on this. I've asked 
> > JABR to fix this, but if he is not available, I may need to do it myself. 
> > (It is more like RTFM on a day when I have meetings). 
> > 
> > On 8 Feb 2002 at 10:09, Rich Payne wrote:
> > 
> > > 
> > > I would say that you need a reverse DNS record for your machine.
> > > 
> > > > [rdp@nobleman updates]$ nslookup
> > > Default Server:  ns1.mv.net
> > > Address:  199.125.85.1
> > > 
> > > > mail.diffloth.com
> > > Server:  ns1.mv.net
> > > Address:  199.125.85.1
> > > 
> > > Non-authoritative answer:
> > > Name:    mail.diffloth.com
> > > Address:  199.232.38.4
> > > 
> > > > 199.232.38.4
> > > Server:  ns1.mv.net
> > > Address:  199.125.85.1
> > > 
> > > *** ns1.mv.net can't find 199.232.38.4: Non-existent host/domain
> > > 
> > > so host->ip works, but ip->host doesn't. My guess is that att's mail 
> > > server is doing a reverse lookup on the IP to check it matches the name 
> > > it's being passed.
> > > 
> > > Ask whomever does DNS for you to add a reverse record for that machine.
> > > 
> > > --rdp
> > > 
> > > On Fri, 8 Feb 2002, Joshua S. Freeman wrote:
> > > 
> > > > I host a domain for a friend of mine.. the domain name is diffloth.com.  I
> > > > also host mail services for her.  Basically, any mail that comes in for
> > > > her at my machine is forwarded to her attbroadband.com account. This has
> > > > worked perfectly for months.  
> > > > 
> > > > Starting this morning we're seeing stuff like what's below.  it seems that
> > > > attbroadband isn't willing to take mail from my host?
> > > > 
> > > > Any idea how to troubleshoot/fix this kind of problem?
> > > > 
> > > > TIA,
> > > > 
> > > > J.
> > > > 
> > > > 
> > > > 
> > > >   ----- The following addresses had permanent fatal errors -----
> > > > [EMAIL PROTECTED]
> > > >     (expanded from: <[EMAIL PROTECTED]>)  
> > > > 
> > > >    ----- Transcript of session follows -----
> > > > ... while talking to chmls10.cp.ipsvc.net.:  
> > > > >>> MAIL From:<[EMAIL PROTECTED]> SIZE=108
> > > > <<< 451 4.1.8 unresolvable relay host name[199.232.38.4]
> > > > ... while talking to ndmls01.cp.ipsvc.net.:
> > > > >>> MAIL From:<[EMAIL PROTECTED]> SIZE=108
> > > > <<< 451 4.1.8 unresolvable relay host name[199.232.38.4]
> > > > ... while talking to chmls17.cp.ipsvc.net.:
> > > > >>> MAIL From:<[EMAIL PROTECTED]> SIZE=108
> > > > <<< 553 5.1.2 <[EMAIL PROTECTED]>... unresolvable relay host
> > > > name[199.232.38.4]
> > > > 501 [EMAIL PROTECTED] Data format error
> > > > 
> > > > 
> > > >          -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
> > > >            Joshua S. Freeman | preferred email: [EMAIL PROTECTED]  
> > > >                    pgp public key: finger [EMAIL PROTECTED]
> > > >                           http://www.threeofus.com
> > > >                  -+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
> > > > 
> > > > 
> > > > *****************************************************************
> > > > To unsubscribe from this list, send mail to [EMAIL PROTECTED]
> > > > with the text 'unsubscribe gnhlug' in the message body.
> > > > *****************************************************************
> > > > 
> > > 
> > > -- 
> > > Rich Payne
> > > http://talisman.mv.com
> > > 
> > > 
> > > *****************************************************************
> > > To unsubscribe from this list, send mail to [EMAIL PROTECTED]
> > > with the text 'unsubscribe gnhlug' in the message body.
> > > *****************************************************************
> > 
> > --
> > Jerry Feldman
> > Portfolio Partner Engineering   
> > 508-467-4315 http://www.testdrive.compaq.com/linux/
> > 
> > Compaq Computer Corp.
> > 200 Forest Street MRO1-3/F1
> > Marlboro, Ma. 01752
> > 
> > 
> > *****************************************************************
> > To unsubscribe from this list, send mail to [EMAIL PROTECTED]
> > with the text 'unsubscribe gnhlug' in the message body.
> > *****************************************************************
> > 
> 
> -- 
> Rich Payne
> http://talisman.mv.com
> 

--
Jerry Feldman
Portfolio Partner Engineering   
508-467-4315 http://www.testdrive.compaq.com/linux/

Compaq Computer Corp.
200 Forest Street MRO1-3/F1
Marlboro, Ma. 01752


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