[SunHELP] sendmail

Alan Rubin sunhelp at sunhelp.org
Wed Dec 6 22:51:21 CST 2000


This is the nature of the error message by the way:

Deferred: Name server: gpo-pp.pp.molsci.csiro.au.: host name lookup
failure

All the while nslookup resolved the name with no problems.  Telnet
resolved the name with no problems. etc, etc.

alan

On Wed, 6 Dec 2000, Thomas Cameron wrote:

> I have seen this when the Exchange box has a different hostname from what
> it is listed as in DNS - I had an Exchange box which was called "snoopy"
> but listed in DNS as "mail."  It told the sendmail server its name was
> snoopy.domain.com, and sendmail couldn't resolve it.
> 
> Just a stab in the dark.
> 
> HTH!
> The Archimage
> 
> 
> On Wed, 6 Dec 2000, Alan Rubin wrote:
> 
> > When mail gets stuck in the queue for reasons of "host name lookup
> > failure" but DNS/nslookup appear to be working correctly and can identify
> > the target mail server, what else could the error mean?  Our sendmail
> > server is having problems delivering mail to the Exchange server.
> >
> > alan
> >
> > _________________
> > *Alan Rubin*
> > Sun/Unix/Networking/ISP/Web Writing
> > Email:rubin at ezy.net
> >
> >
> > _______________________________________________
> > SunHELP maillist  -  SunHELP at sunhelp.org
> > http://www.sunhelp.org/mailman/listinfo/sunhelp
> >
> 
> _______________________________________________
> SunHELP maillist  -  SunHELP at sunhelp.org
> http://www.sunhelp.org/mailman/listinfo/sunhelp
> 
> 

_________________
*Alan Rubin*
Sun/Unix/Networking/ISP/Web Writing
Email:rubin at ezy.net 





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