Hi

Thanks for the response.

what do i check the nssswitch file for exactly? Is there something i
should be looking for in particular?

Thanks

On Jan 17, 11:31 am, "jmai...@ttec.com" <jmai...@ttec.com> wrote:
> telerover wrote:
> > Hi,
>
> > We had sendmail working fine on our RedHat ES 3 server for close to 2
> > years. Over one weekend sendmail stopped working. No server files were
> > changed on this weekend.Odds are your system never actually used the hosts file and/or it was
> incorrect.
> Check your /etc/nssswitch.conf
>
> What happened could be that DNS either changed or broke.
>
> Test the DNS resolution on the box.
>
> Ping the name.
>
> Then run sendmail on the command line as -bs or -q or direct email with
> DNS debugging such as with -d8.20