I don't find such a file (/tmp/syslog.log) ! But I found a work around for
my problem. I now use a local smtp gateway which is forwarding the mails to
the other one. I have to check if something has been changed in routers
config.

Anyway, thanks for your help.

Jean-François.


"Mark Bixby" <[log in to unmask]> wrote in message
news:99vg3502o92@enews1.newsguy.com...
> What's being logged to /tmp/syslog.log when you get these sendmail errors?
>
> - Mark B.
>
> Jean-Francois Humbert wrote:
> >
> > Yes, I tried. I can "ping" the smtp server with ip address, and with
name
> > whit nettool.net.
> >
> > "Denis St-Amand" <[log in to unmask]> wrote in message
> > news:99td99$436$1@web1.cup.hp.com...
> > > Fact that your DNS works doesn't mean your mail server name is still
> > > resolved.  Did you try querying for that host name ?
> > >
> > > --
> > > ==================================================
> > > Denis St-Amand (Remove "removeit." from email address)
> > > ==================================================
> > > "Jean-Francois Humbert" <[log in to unmask]> wrote
in
> > > message
> > news:163205DE2A21D4119473009027D4E2A3036B1CEE@vevdmz01.nestec.ch...
> > > > We've use Sendmail for several months without any problem. Since one
> > week,
> > > > the HP3K is unable to send a message. The error message from
sendmail is
> > :
> > > > host name lookup failure.
> > > >
> > > > I checked the DNS : it's running
> > > >
> > > > Does anyone have any idea ?
> > > >
> > > > Jean-Francois Humbert
> > > > Nestlé PTC Orbe
> > > >
> > > >
> > > >
> > >
>
> --
> [log in to unmask]
> Remainder of .sig suppressed to conserve scarce California electrons...