Fwd: Re: [NTLUG:Discuss] Sendmail question

[Michael Patrick]

On Mon, Jun 03, 2002 at 11:18:01PM +0000, Joe Torma wrote:
> 
> 
> Thank you Eric.  Here goes...
> 
> 
> > 	Some incorrect information needs to be corrected here.
> >
> > 	A DNS zone _must_ have only two records, the SOA, and
> > the NS records.  An A record is not required, and frequently,
> > not desired.
> >
> > 	For the case above, an MX record at the zone level is
> > all that is required to route mail to the new server. However,
> > the MX record _MUST_ contain the fully qualified domain name of
> > the system that is going to accept the mail.  That system does
> > not need to be in the same domain.  The MX record _must_not_
> > contain an dotted-quad IP address (that is a violation of the
> > DNS spec, and will cause some mail servers not to deliver to
> > you.)
> 
> By fully qualified domain name, do you mean one recognised by internic or
>  will an internal domain be sufficient?  Also, I am having trouble finding
>  where to change the host name (currently localhost.localdomain) in the
>  system.  Any pointers for RH 7.3?
>

/etc/sysconfig/network

This file contains the HOSTNAME statement

Michael